tag:blogger.com,1999:blog-23157527766864857142024-03-13T12:46:04.388+08:003D印表機 DIY 建構筆記陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.comBlogger94125tag:blogger.com,1999:blog-2315752776686485714.post-33925654038927071902016-08-12T15:25:00.001+08:002016-08-12T15:29:58.050+08:00兩個Z軸馬達搭配兩個4988驅動器Z軸馬達共用同一個4988驅動器,總讓人不放心,所以marlin有提供解套的方法。<br />
可以在 Configuration_adv.h 裡面找這段<br />
紅色的雙槓刪除後可以用第二個擠出機的4988來驅動第二顆Z軸馬達。<br />
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// A single Z stepper driver is usually used to drive 2 stepper motors.<br />
// Uncomment this define to utilize a separate stepper driver for each Z axis motor.<br />
// Only a few motherboards support this, like RAMPS, which have dual extruder support (the 2nd, often unused, extruder driver is used<br />
// to control the 2nd Z axis stepper motor). The pins are currently only defined for a RAMPS motherboards.<br />
// On a RAMPS (or other 5 driver) motherboard, using this feature will limit you to using 1 extruder.<br />
<span style="color: red; font-size: large;"><b>//</b></span>#define Z_DUAL_STEPPER_DRIVERS陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com5tag:blogger.com,1999:blog-2315752776686485714.post-91008540167352739512016-05-17T11:10:00.000+08:002016-05-17T11:10:45.121+08:00[轉載] "3D印表機滅紋神器" 原理原文由謝公碩先生撰寫,並同意轉載於此,特此感謝!!<br />
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今天看到網友分享"3D印表機滅紋神器"<br />
加了幾個二極體,怎麼看都不瞭解作用,<br />
為了弄懂原理,從不同論壇連結過去,最後找到初始的這篇部落格文章,<br />
剛花了約半小時K完... 很精彩的一篇文,內容有點複雜,<br />
為了讓這半小時的心血不要白費,省下大家的力氣 , 簡單的說明一下文章內容<br />
說明開始~<br />
這個作者是個龜毛且是靠電子電路吃飯的專家, 他買了一塊新的電路板來驅動3D印表機,<br />
該板子用的是4個THB6128(更正:DRV8825,6128是V2版本)來當步進馬達的驅動器<br />
使用的是A模式 (文中有模式 但為了簡略 以A,B,C模式稱呼)<br />
然後他發現印表機動作很詭異,嚴重的失步,而不是普通的水波紋.<br />
所以切換了模式B<br />
結果發現會有噪音,看了spec和示波器後,知道此模式的噪音問題無解 (PWM 30kHz 但是peak電流模式產生sine波一定會有次諧波問題)<br />
所以切換成模式C<br />
使用模式C時這個老兄用示波器發現sine波型電流有異樣的凸起, 最後發現原來是因為週期為33us的PWM波的脈衝無法小於4us. (因為該IC的H橋的原因)<br />
他用的是8V的sine波,也就是說無法輸出比1.4V還小的電壓,<br />
所以他經過遛狗和隔天沖澡之後,想出了解決方法,<br />
就是在輸出電路上接上2個0.7伏特偏壓的二極體(電流去回各一,共四個),去抵銷那1.4V,而我猜應該是IC有電流偵測的原因, 所以和一般的截波不同, 該結果讓該IC產生出了漂亮完整的sine電流波型<br />
於是乎這位老兄就滿意了, 文章結束.<br />
倒是這個做法,完全是因為這老兄想要在C模式有美麗的sine波型以及解決噪音問題, 原始文章和水波紋完全沒有關聯.<br />
用的也不是A4988 (不過原理應該類似,也有PWM和不同模式)<br />
至於最後怎麼演變成"除紋神器" 這個說詞<br />
到底是有另一番故事, 還是網路謠言, 就有待研究了.<br />
應該是只要馬達沒有失步, 且機械結構夠好,應該就不會有水波紋,<br />
我目前覺得正弦波是否夠漂亮跟馬達是否有失步感覺上沒有很大的關聯性,感覺上只要時間對和電流夠就可以, 不過這點要其他專精電機的人來確認了.<br />
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參考資料</div>
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<a href="http://cabristor.blogspot.tw/2015/02/drv8825-missing-steps.html" target="_blank">DRV8825 missing microsteps</a></div>
陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com4tag:blogger.com,1999:blog-2315752776686485714.post-84057381181383600452016-02-15T13:33:00.000+08:002016-02-15T13:33:03.741+08:00PID值調整步驟原則 & "Thermal Runaway" 的問題<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTuXjBpXSFlffIiJSzHqzHQSd9d04RkCfVsx-FF2mAne1HW_Oc-XbkqshbuiI59FQpKmPtJDsmD5c_ZflxvO3AiQCCG3387ZJXESxMQe3H4CDcJIhUPm4sIJWAWD56i18Fq0z6tbjPbK4/s1600/giphy.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTuXjBpXSFlffIiJSzHqzHQSd9d04RkCfVsx-FF2mAne1HW_Oc-XbkqshbuiI59FQpKmPtJDsmD5c_ZflxvO3AiQCCG3387ZJXESxMQe3H4CDcJIhUPm4sIJWAWD56i18Fq0z6tbjPbK4/s1600/giphy.gif" /></a></div>
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<a href="http://giphy.com/gifs/l0NwFMMVtWDtoqCYg" target="_blank">網路上看到的解說圖片 http://giphy.com/gifs/l0NwFMMVtWDtoqCYg</a></div>
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PID值的調整,相信讓許多人吃足了苦頭。花很多時間看懂其原理,但在實際操作時卻又覺得不是那麼一回事。調整PID值,可以參考這圖片的調整過程。</div>
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一開始I、D值都歸零,只調整P值。P值太小,會達不到目標溫度;P值太大,會衝過頭太多。合適的P值,溫度會震盪,但應該會慢慢穩定下來。</div>
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在P值選定後,再考慮增加I值。I值的作用是要消除穩態誤差,理論上不會加快溫度穩定下來的速度,也不會減小震盪的幅度(其實是會加大震盪幅度)。I值太大,是會讓PID系統震盪的,只要沒有太大的穩態誤差,I值應該要盡量小,讓控制系統比較穩定。</div>
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最後再調整D值。D值會讓震盪的狀況減輕,但是過大的D值會讓系統難以達到目標溫度。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuXW6v5gtuu1uJZYK-RLhnfBhYKmYvxc4bJDsc4bWZ10x7aBOx_rSVrhdHq2KL4DLRTBw38FyG67aKqmprrfm7AnEWryhRfOcHYwBb9WVtzU6LZVWMJOqpldoEnM_FQjiUxlWkFtbx9io/s1600/12544268_861353973962211_487156478_o.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="460" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuXW6v5gtuu1uJZYK-RLhnfBhYKmYvxc4bJDsc4bWZ10x7aBOx_rSVrhdHq2KL4DLRTBw38FyG67aKqmprrfm7AnEWryhRfOcHYwBb9WVtzU6LZVWMJOqpldoEnM_FQjiUxlWkFtbx9io/s640/12544268_861353973962211_487156478_o.jpg" width="640" /></a></div>
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最近遇到有兩位網友在詢問 "Thermal Runaway" 的問題。如上圖,雖然溫度有控制在目標附近,但可以看到左下兩條綠色的"輸出功率"直方圖,都有"功率全開,瞬間又全關"的現象。這應該是屬於PID值不適合的問題。過大的P/I值,讓溫度稍微偏低,輸出功率就爆衝100%全開;待溫度稍微超過目標,輸出功率又坐雲霄飛車掉到零。遇到這種狀況,可能須要考慮重新調整PID值,<a href="http://diy3dprint.blogspot.tw/2013/08/marlin.html" target="_blank">或是用 Marlin 裡的 PID Autotune</a>,做自動調校。</div>
<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-11278478003307926782015-04-29T10:34:00.001+08:002015-04-29T16:06:36.165+08:00SketchUp修改STL檔案的前置作業STL檔,是以三角型為基礎,拼接出整個3D模型;因為以三角型為基礎,所以原本的四邊形、圓型或是其他的多邊形,都被強迫分割成一堆三角型組合在一起。因此,STL檔就算被讀入SketchUp,也因為線條混亂而變得難以修改。這題也是經常在討論板上被提起,但幾週之前我自己也沒有比較好的辦法。直到發現了 "FixIt 101" 這個Plug-in,才變得有可能可以把下載來的STL,整理得乾淨些。這樣也許就會比較容易修改計有的STL檔案了。以下用Prusa_i3_X_End_Motor.stl當作例子。<br />
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開始之前,請先自行安裝兩個Plug-in,還有MeshLab這個軟體。<br />
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<li><a href="http://diy3dprint.blogspot.tw/2014/11/sketchup8-stl.html" target="_blank">SketchUp8 輸出 STL</a></li>
<li><a href="http://www.sublog.net/archives/49202" target="_blank">FixIt 101</a></li>
<li><a href="http://meshlab.sourceforge.net/" target="_blank">MeshLab</a></li>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhePrQ4HDjopJjYRJQ8XG8Gb4bBYncPCIqvI6Kk4b4Yk7Pmp9MNSpV9VcQn30-vV67SPShtA-01MKQHfqWLJ3-e7E86heWArb4QZiH-Sydt5crt6KSfo8T7x9HpJVlSieXFOJDDN6i1X8c/s1600/2015-04-28_233755.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhePrQ4HDjopJjYRJQ8XG8Gb4bBYncPCIqvI6Kk4b4Yk7Pmp9MNSpV9VcQn30-vV67SPShtA-01MKQHfqWLJ3-e7E86heWArb4QZiH-Sydt5crt6KSfo8T7x9HpJVlSieXFOJDDN6i1X8c/s1600/2015-04-28_233755.jpg" /></a></div>
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到 <a href="http://www.thingiverse.com/thing:39889/#files">http://www.thingiverse.com/thing:39889/#files</a> 下載 Prusa_i3_X_End_Motor.stl</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQ0DE_IIKqBU3LwVQkByxng4iws9-j-LELYuy2Bc6oYWUIfhmzOY4oyvRgESEqB45AaoHzkPj24jlz_5r102JaYdeFXTwGo2H7Uui0gCpWQQd1wpQ7XrWLlhcBFQaW41FM2aIjKkJSgPk/s1600/2015-04-28_233828.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQ0DE_IIKqBU3LwVQkByxng4iws9-j-LELYuy2Bc6oYWUIfhmzOY4oyvRgESEqB45AaoHzkPj24jlz_5r102JaYdeFXTwGo2H7Uui0gCpWQQd1wpQ7XrWLlhcBFQaW41FM2aIjKkJSgPk/s1600/2015-04-28_233828.jpg" /></a></div>
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由於"su2stl" 這個Plug-In只支援文字模式的STL檔案,所以這邊先利用MeshLab來轉換二進位的STL檔案到文字模式的STL。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy5fnR803bNqVRQwH5S5EPHbLHZQwbevsIQsmrL3s6_LrnV1c6gFcUFhVtOBRJsf3XfvgVIlksqedSZ-3Aem5TZU3csvGus2vhjMjhPi8Ki3niNPmZOMBJZGbD_D9M50y3rHTqsYNPt4c/s1600/2015-04-28_233954.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy5fnR803bNqVRQwH5S5EPHbLHZQwbevsIQsmrL3s6_LrnV1c6gFcUFhVtOBRJsf3XfvgVIlksqedSZ-3Aem5TZU3csvGus2vhjMjhPi8Ki3niNPmZOMBJZGbD_D9M50y3rHTqsYNPt4c/s1600/2015-04-28_233954.jpg" /></a></div>
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點選 File -> Import Mesh 來載入 Prusa_i3_X_End_Motor.stl</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglSJzIP-23VxUerwMpuIKjOsLoqbzgP9yVGLlI88nU4CSYxNj_nv4ETKAWNwjc41z9eHORhm3AWv5-0e3Hvvhv25U2TwlzL6Lj24hx9BjkV82vAlQywuOJkRMz8vdxwCtNE0qk5S1zgrU/s1600/2015-04-28_234252.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglSJzIP-23VxUerwMpuIKjOsLoqbzgP9yVGLlI88nU4CSYxNj_nv4ETKAWNwjc41z9eHORhm3AWv5-0e3Hvvhv25U2TwlzL6Lj24hx9BjkV82vAlQywuOJkRMz8vdxwCtNE0qk5S1zgrU/s1600/2015-04-28_234252.jpg" /></a></div>
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LeshLab詢問是否要偵測重複的線條。這邊直接點選OK就可以。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh15fgG4rJ9a8zddEabE88IZbRKRLEH5HzfCnq9FVxlk5sM7Ny6r4zQgaE30apw2eVmlJL0ZdibYuik0vZgPUT-ooDGQ96nx64vqpDObrNzD6u6VRfZkRXvxdCsnzBd7qdwutrKWLKgyMg/s1600/2015-04-28_234333.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh15fgG4rJ9a8zddEabE88IZbRKRLEH5HzfCnq9FVxlk5sM7Ny6r4zQgaE30apw2eVmlJL0ZdibYuik0vZgPUT-ooDGQ96nx64vqpDObrNzD6u6VRfZkRXvxdCsnzBd7qdwutrKWLKgyMg/s1600/2015-04-28_234333.jpg" height="478" width="640" /></a></div>
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載入檔案後可以看到模型的預覽圖。不過沒有要在這邊修改模型,只是要另存成文字模式的STL。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlAtQekq8ljShyphenhyphen-fM4USfn2YM2SzDb7KGMXPbGPWNjvzCQZ_qwXKx98OAuEAu9TkMiJ7jKYweXd_9zOaSZCj-qGeKumzZ2kp5vgi3SW5PSJLzjji1-tMQhha09GTWniZFXv9mgAZVD9FA/s1600/2015-04-28_234356.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlAtQekq8ljShyphenhyphen-fM4USfn2YM2SzDb7KGMXPbGPWNjvzCQZ_qwXKx98OAuEAu9TkMiJ7jKYweXd_9zOaSZCj-qGeKumzZ2kp5vgi3SW5PSJLzjji1-tMQhha09GTWniZFXv9mgAZVD9FA/s1600/2015-04-28_234356.jpg" /></a></div>
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點選 "File -> Export Mesh As..." 另存模型檔。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjMed_jfJ_jSQoJaEIu8wc2V4zwOj2MCEqghxIXS5IuCdmt9XU4-F8Q9vUu8NbsUBogRZJ6ope6f9sEirDiq8a49yV6jK8Ct3mTnjvv9Kp2_JiqJ7f6KA8Q8JR16pU9tFJz2vltYDakyqo/s1600/2015-04-28_234503.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjMed_jfJ_jSQoJaEIu8wc2V4zwOj2MCEqghxIXS5IuCdmt9XU4-F8Q9vUu8NbsUBogRZJ6ope6f9sEirDiq8a49yV6jK8Ct3mTnjvv9Kp2_JiqJ7f6KA8Q8JR16pU9tFJz2vltYDakyqo/s1600/2015-04-28_234503.jpg" /></a></div>
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檔案格式當然要挑選 " *.stl "</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4JPQ8CL0P8ZJ2BHm0_qGYoHDucKyjd_wZljAl3eb4uFugwa0sOHrbiCWR_RAw4lRwtmqwUI3LMXDnVA_EjR4XQ_mv6DdS9ukjVmYPI6Cj4MWXdojD2qLVJYJgtlkcxKgx4_MKaNUNWJE/s1600/2015-04-28_234525.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4JPQ8CL0P8ZJ2BHm0_qGYoHDucKyjd_wZljAl3eb4uFugwa0sOHrbiCWR_RAw4lRwtmqwUI3LMXDnVA_EjR4XQ_mv6DdS9ukjVmYPI6Cj4MWXdojD2qLVJYJgtlkcxKgx4_MKaNUNWJE/s1600/2015-04-28_234525.jpg" /></a></div>
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下一個步驟裡面,要記取消勾選 "Binary encoding" ,這樣就會存成文字格式的STL檔。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWVwGui-TOlrYwxuUvEhIFSa4YwnG2gcbAnwL9c8Ez29ZXqW5Klv1tjiQw_oqT1JjxkLOgw1yBFrC2XUEsLOufcEJc_DxRc3mY_MJDnVr_TG3Wd8RtQmxu5fxT6ShgOOHNPYjTDH32cO4/s1600/2015-04-28_234556.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWVwGui-TOlrYwxuUvEhIFSa4YwnG2gcbAnwL9c8Ez29ZXqW5Klv1tjiQw_oqT1JjxkLOgw1yBFrC2XUEsLOufcEJc_DxRc3mY_MJDnVr_TG3Wd8RtQmxu5fxT6ShgOOHNPYjTDH32cO4/s1600/2015-04-28_234556.jpg" /></a></div>
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接下來開啟 SketchUp,點選 "外掛程式 -> Import STL file",然後選取剛才轉存的文字格式STL檔案。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyRXzOMeuvUR-fR5R5xrIL_QWLxMWPVAMhivthLvW-FSf7FAsc6EhVgkJHUimN9H2xom9rAPHcoCfu2iws9ZF0M_Ydh8TMwvOM1xD7OZrAS63rhMpJHChcGVEgPZg4lYTkacjBhO2O7Qc/s1600/2015-04-28_234627.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyRXzOMeuvUR-fR5R5xrIL_QWLxMWPVAMhivthLvW-FSf7FAsc6EhVgkJHUimN9H2xom9rAPHcoCfu2iws9ZF0M_Ydh8TMwvOM1xD7OZrAS63rhMpJHChcGVEgPZg4lYTkacjBhO2O7Qc/s1600/2015-04-28_234627.jpg" /></a></div>
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長度單位,一般都選 "Millimeters (mm)"。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqFbS4ESfN39jLNdU31dl2NqGz7vp3w6l2DgPAQEezRj6cps7rWQvtBicBc2C-T8DpKul7PzIM47udj2qsYGmnqveLHfl-ax4hux2_JY37cBDuUn-XMne3Xw9dSQ4_PoxLvNTwLwEbGj0/s1600/2015-04-28_234641.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqFbS4ESfN39jLNdU31dl2NqGz7vp3w6l2DgPAQEezRj6cps7rWQvtBicBc2C-T8DpKul7PzIM47udj2qsYGmnqveLHfl-ax4hux2_JY37cBDuUn-XMne3Xw9dSQ4_PoxLvNTwLwEbGj0/s1600/2015-04-28_234641.jpg" height="24" width="320" /></a></div>
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載入的過程,會有進度秀在SketchUp的左下角。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6wQlkNbyN9qP4ZwUG9r_G04xOwoGSqW8EfBKxtIJknqhVAfxo3IgRutf1MaHZAo4WoQDmnBWu08aJvwVgVRw489w_rfUdnF06FiU2R0MTTOUVbO22tIYivI60DOhr2avi1Cp3Q0GPEzM/s1600/2015-04-28_234647.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6wQlkNbyN9qP4ZwUG9r_G04xOwoGSqW8EfBKxtIJknqhVAfxo3IgRutf1MaHZAo4WoQDmnBWu08aJvwVgVRw489w_rfUdnF06FiU2R0MTTOUVbO22tIYivI60DOhr2avi1Cp3Q0GPEzM/s1600/2015-04-28_234647.jpg" /></a></div>
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載入完成後,SU2STL會有一個結果報告。這個檔案總共有1958個三角形組成,沒有失敗或是空的目標物出現。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3T5HEg-iMOJ9QPwVLWZ3v_74K4gTd6r0jjYcQddq69YVstu9e72XAwfOL_oHliXIwo2cCJLtzfQo7P-2_jBDCrsxI9LYVS-J8Da8d7K9zkoQeE0Dfc1Jq6hfHIMjMet2kv53GV_rlcCQ/s1600/2015-04-28_234707.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3T5HEg-iMOJ9QPwVLWZ3v_74K4gTd6r0jjYcQddq69YVstu9e72XAwfOL_oHliXIwo2cCJLtzfQo7P-2_jBDCrsxI9LYVS-J8Da8d7K9zkoQeE0Dfc1Jq6hfHIMjMet2kv53GV_rlcCQ/s1600/2015-04-28_234707.jpg" height="528" width="640" /></a></div>
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載入之後的Prusa_i3_X_End_Motor,可以看到這個模型,真的都是一堆三角型組合出來的。這麼多線條,會讓模型的修改變得很棘手。接下來準備去除這些多餘的線條。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzgxzM0yPQT-op_50tiRo9oassyXT55lNgpyHvmBjqMlydRlrJXXjbckmKITQLSB0IdhFaiYKEbY9-bK2fI26RwldlnjxGU-ehTS26JYFH6P1uQhAhb98_Gf6IJGpCAzEzQTLX85L5-jE/s1600/2015-04-28_234722.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzgxzM0yPQT-op_50tiRo9oassyXT55lNgpyHvmBjqMlydRlrJXXjbckmKITQLSB0IdhFaiYKEbY9-bK2fI26RwldlnjxGU-ehTS26JYFH6P1uQhAhb98_Gf6IJGpCAzEzQTLX85L5-jE/s1600/2015-04-28_234722.jpg" height="560" width="640" /></a></div>
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在模型任何位置連點滑鼠左鍵三下,把整個模型都選取起來。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihOiX6ZFHUDfHXp1_iiloUoLI7xqD-tE74fcVL9lL5c5mnoOC51hd0hAYCboVpopMN-SHFcbgIy1c_e-EcMxC6R3cYsHlEWe64CDlIikLaiqbojYHlfhv_B5K3xlz3exMzo-vAVprK724/s1600/2015-04-28_234738.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihOiX6ZFHUDfHXp1_iiloUoLI7xqD-tE74fcVL9lL5c5mnoOC51hd0hAYCboVpopMN-SHFcbgIy1c_e-EcMxC6R3cYsHlEWe64CDlIikLaiqbojYHlfhv_B5K3xlz3exMzo-vAVprK724/s1600/2015-04-28_234738.jpg" /></a></div>
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再來點滑鼠右鍵,選用今天的主角 "FixIt 101"。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhz9QF-vuQbyRyOVolosuLVOi3g-1s6iWAFh77eBudnT8bD5YXz6cjRsUy7NI0l06zAYKoSBDOfuYo2cbZiSG41me2IsHUsFOzwpDWNu9N9-TDbw9wSatwShnuyOJkYRIEOKzvu98IwC0k/s1600/2015-04-28_234751.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhz9QF-vuQbyRyOVolosuLVOi3g-1s6iWAFh77eBudnT8bD5YXz6cjRsUy7NI0l06zAYKoSBDOfuYo2cbZiSG41me2IsHUsFOzwpDWNu9N9-TDbw9wSatwShnuyOJkYRIEOKzvu98IwC0k/s1600/2015-04-28_234751.jpg" /></a></div>
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然後FixIt 101就辛勤得把模型上,多餘的線、面刪除。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMYUHuYIwo3FxtF-bku8ivthJ5WC2tanAfqKL8Qx_Q444OLMztFVIw8BkUqEgAln7XXyjU_rCeouAovM2a2jAifXvfIvmWrfbp4h49CqwO2inDgmdoDf44nPshuziS7wy_K_q8pjSIiFg/s1600/2015-04-28_234802.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMYUHuYIwo3FxtF-bku8ivthJ5WC2tanAfqKL8Qx_Q444OLMztFVIw8BkUqEgAln7XXyjU_rCeouAovM2a2jAifXvfIvmWrfbp4h49CqwO2inDgmdoDf44nPshuziS7wy_K_q8pjSIiFg/s1600/2015-04-28_234802.jpg" height="559" width="640" /></a></div>
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乾淨的模型就出現啦~</div>
終於可以開始動手修改了。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfr2G0RucSlRP_lyiBcnmMwCufszLzYvlP_G2MFHOiVQcVFJgCYtZQcwKpDME5c5Rk7TOLOFAEj50ZcqSQDNC43R4ZBIVciWuAxyTHhjyM3ly-F-nuHteE00DHU-Pg3Z7NUuwhh6x-Ng4/s1600/2015-04-28_234853.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfr2G0RucSlRP_lyiBcnmMwCufszLzYvlP_G2MFHOiVQcVFJgCYtZQcwKpDME5c5Rk7TOLOFAEj50ZcqSQDNC43R4ZBIVciWuAxyTHhjyM3ly-F-nuHteE00DHU-Pg3Z7NUuwhh6x-Ng4/s1600/2015-04-28_234853.jpg" height="408" width="640" /></a></div>
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等等,有破面!!</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqlT_72jXrL4deE-uzOWYH6xTUy8EoWa7RKhnKnalCWM8x4_fkQLf2BAToSDFx_DwjQXHUx_wEaUlgOJIzJ_CBwJut3l2oMswDqOfrEVqJhyphenhyphenfOTjLjdH6XzQqcZ1HgG7MTDOj3hikBJvY/s1600/2015-04-28_234922.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqlT_72jXrL4deE-uzOWYH6xTUy8EoWa7RKhnKnalCWM8x4_fkQLf2BAToSDFx_DwjQXHUx_wEaUlgOJIzJ_CBwJut3l2oMswDqOfrEVqJhyphenhyphenfOTjLjdH6XzQqcZ1HgG7MTDOj3hikBJvY/s1600/2015-04-28_234922.jpg" height="269" width="640" /></a></div>
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順手拉一條線,把破面補起來。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjun5lN1E38fCI4TO0GHHu004GztPqtv8AcJnhMVG9W4KFxsgu0XLRoSZJdKmhrt65S7H8LI61pJQ-ZvDVNANw1JvxbVcqEGZ04-vIoX0kP8lUMggoQlbps-oIj6tKcC2CC76V0T4BRo8U/s1600/2015-04-28_234942.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjun5lN1E38fCI4TO0GHHu004GztPqtv8AcJnhMVG9W4KFxsgu0XLRoSZJdKmhrt65S7H8LI61pJQ-ZvDVNANw1JvxbVcqEGZ04-vIoX0kP8lUMggoQlbps-oIj6tKcC2CC76V0T4BRo8U/s1600/2015-04-28_234942.jpg" height="429" width="640" /></a></div>
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同樣再呼叫 FixIt 101,修補破面的線條,也依靠它來去除。這樣這個模型就整理完畢了~</div>
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乾乾淨淨的模型檔,要修改起來就比較輕鬆了!學會這招,就不用瞪著人家設計的模型,卻無從下手修改。<br />
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SketchUp原生的功能實在是不夠用,有很多問題沒辦法處理。PlugIn雖然很多,但是到底有哪些功能,該怎麼用,也是需要很多時間去摸索。<br />
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<h4>
後續:</h4>
馬上有神人<span data-reactid=".3.1:3:1:$comment921388704550304_921392814549893:0.0.$right.0.$left.0.0.0.0.0" style="background-color: #f6f7f8; color: #3b5998; cursor: pointer; font-family: helvetica, arial, 'lucida grande', sans-serif; font-size: 13px; font-weight: bold; line-height: 17.4200000762939px; text-decoration: none;"><a aria-describedby="js_3" aria-haspopup="true" aria-owns="js_2" class=" UFICommentActorName" data-ft="{"tn":";"}" data-hovercard="/ajax/hovercard/hovercard.php?id=650241035&extragetparams=%7B%22hc_location%22%3A%22ufi%22%7D" data-reactid=".3.1:3:1:$comment921388704550304_921392814549893:0.0.$right.0.$left.0.0.0.0" dir="ltr" href="https://www.facebook.com/YutingChen0418" id="js_4" style="background-color: #f6f7f8; color: #3b5998; cursor: pointer; font-family: helvetica, arial, 'lucida grande', sans-serif; font-size: 13px; font-weight: bold; line-height: 17.4200000762939px; text-decoration: none;">陳昱廷</a></span>老師分享了另一個專門處理類似問題的Plug-In<br />
<a href="http://extensions.sketchup.com/zh-TW/content/cleanup%C2%B3" target="_blank">CleanUp³</a><br />
有興趣的朋友可以趕快研究一下~~<br />
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<a aria-describedby="js_7w" aria-haspopup="true" aria-owns="js_7v" class=" UFICommentActorName" data-ft="{"tn":";"}" data-hovercard="/ajax/hovercard/hovercard.php?id=1425261532&extragetparams=%7B%22hc_location%22%3A%22ufi%22%7D" data-reactid=".9.1:3:1:$comment845160762188184_845223712181889:0.0.$right.0.$left.0.0.0.0" dir="ltr" href="https://www.facebook.com/adrian.sung?fref=ufi" id="js_7x" style="background-color: #f6f7f8; color: #3b5998; cursor: pointer; font-family: helvetica, arial, 'lucida grande', sans-serif; font-size: 13px; font-weight: bold; line-height: 17.4200000762939px; text-decoration: none;"><span data-reactid=".9.1:3:1:$comment845160762188184_845223712181889:0.0.$right.0.$left.0.0.0.0.0">Adrian Sung</span></a>又介紹了另外兩款專門修補模型的軟體:<a href="http://baike.baidu.com/view/3992744.htm" target="_blank">Geomagic studio</a> 跟 Materialise Magics陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com7tag:blogger.com,1999:blog-2315752776686485714.post-1885773288273010422015-04-13T14:05:00.002+08:002015-04-13T14:09:48.959+08:00Visualizer 渲染器 教學<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCjcufKaj5AU9QlHmkbdcgddvx7BTte16RsJOurhtAgEhzd3J4uc6ppBzU9kEWQJYShB_nxZ0LinkbHCJNlCziIl9aThnDborrYBKPru37Rzu8SNDYIz6tssR9eQnsCc-ljhkiKV4bOyw/s1600/VIZ_0012a.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCjcufKaj5AU9QlHmkbdcgddvx7BTte16RsJOurhtAgEhzd3J4uc6ppBzU9kEWQJYShB_nxZ0LinkbHCJNlCziIl9aThnDborrYBKPru37Rzu8SNDYIz6tssR9eQnsCc-ljhkiKV4bOyw/s1600/VIZ_0012a.jpg" height="480" width="640" /></a></div>
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Visualizer for SketchUp 是一套用來在SketchUp中做即時渲染的軟體。設計師可以透過這套軟體,很方便又即時得看到自己的設計作品,用相當自然的光線、材質渲染出逼真的相片。不必等待相當長的渲染運算時間,就可以馬上看到渲染的效果,不滿意立刻修改,加快開發速度。更棒的是,自2015/3/15之後,Visualizer開放任何人免費使用!! Windows版以及Mac版本都有。<br />
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<h2>
按鈕介紹</h2>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimJc9-F9ED7cED0cyfGvJS-Q4EzBFY2byjUFFl9gosnklHZ7shzlct62fb3hEXbGv7DtBRsN3yX1-BnRpiuZZgWdrBkjUhNBsNuzImXli2YT8Yrx7gOjF2BqgEvcdcTdc4JlSdb_V-rOU/s1600/2015-04-12_074048a.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimJc9-F9ED7cED0cyfGvJS-Q4EzBFY2byjUFFl9gosnklHZ7shzlct62fb3hEXbGv7DtBRsN3yX1-BnRpiuZZgWdrBkjUhNBsNuzImXli2YT8Yrx7gOjF2BqgEvcdcTdc4JlSdb_V-rOU/s1600/2015-04-12_074048a.jpg" height="482" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjg6syIJkZBtYNzXB2rvVMXMN7GRiNOz8z7m35WgVdtyLn4GVvTqTZVB4Ngny714qTLvGljwZjqdRLGzGl9P3TH4uUfbaGgef_LKfm6Youy1Vl_mxa2o2ehtxnVpMzjq6rajD2J_zuahqk/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-1.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjg6syIJkZBtYNzXB2rvVMXMN7GRiNOz8z7m35WgVdtyLn4GVvTqTZVB4Ngny714qTLvGljwZjqdRLGzGl9P3TH4uUfbaGgef_LKfm6Youy1Vl_mxa2o2ehtxnVpMzjq6rajD2J_zuahqk/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-1.jpg" /></a></div>
<h4>
最上層鎖定</h4>
在調整鏡頭角度時,把Visualizer視窗鎖定在最上層,可以很方便得預覽鏡頭取景的結果。如果不希望Visualizer的視窗一直檔在畫面上,可以取消鎖定在最上層的功能。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8yedbLaOZsJX477Ozz0coOnN4H3b2MNy8uY2nX8sB_FxR3JvNUP2oE4O7nW59NqOc7QeB7uegbgW9dIvF2WtEV5oVngE0Hyxg013t4lKa-bG3OCFYFh7WDwPHvZvMI8xFmDgvgCAo9eI/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-2.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8yedbLaOZsJX477Ozz0coOnN4H3b2MNy8uY2nX8sB_FxR3JvNUP2oE4O7nW59NqOc7QeB7uegbgW9dIvF2WtEV5oVngE0Hyxg013t4lKa-bG3OCFYFh7WDwPHvZvMI8xFmDgvgCAo9eI/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-2.jpg" /></a></div>
<h4>
設定影像大小</h4>
Visualizer的視窗大小,就是渲染後影像的大小。第一個按鈕是將Visualizer視窗比例,調整得跟SketchUp預覽室窗的比例相同。接下來三個帶有星號的按鈕,是三個使用者自定大小的快捷按鈕。第四個按鈕是設定自定大小用的。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEEvB0MhGJBEUV2Kjr_Idw82HxxNC__crRz1JD8ZBf55wRK-LkoyyinEVA6ZRPK91MQJ0isuoHDjewR9Q0CY0SlDjqi_XTq6Q_9sA_6MuhOWmx0piCJFjCK4YpqNNEbXE4JUxOh1CIiWM/s1600/2015-04-12_092248.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEEvB0MhGJBEUV2Kjr_Idw82HxxNC__crRz1JD8ZBf55wRK-LkoyyinEVA6ZRPK91MQJ0isuoHDjewR9Q0CY0SlDjqi_XTq6Q_9sA_6MuhOWmx0piCJFjCK4YpqNNEbXE4JUxOh1CIiWM/s1600/2015-04-12_092248.jpg" /></a></div>
可以直接輸入畫面寬高的數字(pixels)<br />
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(以下這些按鈕,都顧名思義。為了避免富堅病又發作,我就不再多介紹了... )<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfuAEOwyJszaDaCemYvpLRNbwjwBKSOG8axZRkTWIMwiOVccqpJKWK78WEI0FY8lwC_EwPX242JiTeHygD7rVmoAME2CLWcgv0gLLc6g0fbEaZjoXQih61zth-3hc0T0Lmy1iNs4cNXCc/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-3.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfuAEOwyJszaDaCemYvpLRNbwjwBKSOG8axZRkTWIMwiOVccqpJKWK78WEI0FY8lwC_EwPX242JiTeHygD7rVmoAME2CLWcgv0gLLc6g0fbEaZjoXQih61zth-3hc0T0Lmy1iNs4cNXCc/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-3.jpg" /></a></div>
<h4>
重新開始渲染</h4>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVIWUovCIlprThDqaKm1m6BciBHnxrqeaPnrlb90h4rzloC7WG2q6Lc8UwPNh8cXydBF-8YylpV2LioK7O2bw2zghj7j1sP5p04jwcRFMqGSyJVWjKviN3aHoCElDR8RJTP6RxWEW3n9M/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-4.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVIWUovCIlprThDqaKm1m6BciBHnxrqeaPnrlb90h4rzloC7WG2q6Lc8UwPNh8cXydBF-8YylpV2LioK7O2bw2zghj7j1sP5p04jwcRFMqGSyJVWjKviN3aHoCElDR8RJTP6RxWEW3n9M/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-4.jpg" /></a></div>
<h4>
加強材質渲染</h4>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzjOBxvnuFv0Iyf3igtykopj_uPIINKiuOLVDLKdXa7S23m9IBYm8Jx3zakwAT7tw5IeDPnhNok7fJtbipW16rsTgL0wUl08-KsoX_xdraABQf8OehJvSJDzQ_6_Oag-hUB0jp543YVyU/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-5.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzjOBxvnuFv0Iyf3igtykopj_uPIINKiuOLVDLKdXa7S23m9IBYm8Jx3zakwAT7tw5IeDPnhNok7fJtbipW16rsTgL0wUl08-KsoX_xdraABQf8OehJvSJDzQ_6_Oag-hUB0jp543YVyU/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-5.jpg" /></a></div>
<h4>
雜點過濾器</h4>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghb68sSKSx-q5RhIiXtFgcdC_pCB84ZJ371XCLNBewdKoXG3QSnOW0gN4DNrs4IR_CehLkXNTxTcaX_QMtsVvcnNHpSlYsPmo5C61VmnhHkm2D8LS9VubtCFEf6WR7CZL8-ceHmdPhgXU/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-6.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghb68sSKSx-q5RhIiXtFgcdC_pCB84ZJ371XCLNBewdKoXG3QSnOW0gN4DNrs4IR_CehLkXNTxTcaX_QMtsVvcnNHpSlYsPmo5C61VmnhHkm2D8LS9VubtCFEf6WR7CZL8-ceHmdPhgXU/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D-6.jpg" /></a></div>
<h4>
消除斑點</h4>
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選擇影像品質<br />照相<br />鎖定相機<br />開啟相片資料夾<br />設定相片格式<br />景深控制<br />對焦點以及曝光採樣點控制</h4>
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<h2>
趕快動手玩玩看</h2>
<h3>
繪製場景</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRHobBOAf62xVymExS1srB_xI06LwRkEYNB9ozVXTA6jNqFRW2TnrJUdkILue6fAG3yCTpTg9Xksh607BB54272DRMsOg1Xt-FsuWQY_jJOjkIlCSf9BoN6rcF-7gFBVzesbd9FX0pcCo/s1600/2015-04-12_074351.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRHobBOAf62xVymExS1srB_xI06LwRkEYNB9ozVXTA6jNqFRW2TnrJUdkILue6fAG3yCTpTg9Xksh607BB54272DRMsOg1Xt-FsuWQY_jJOjkIlCSf9BoN6rcF-7gFBVzesbd9FX0pcCo/s1600/2015-04-12_074351.jpg" height="358" width="640" /></a></div>
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開啟 3D Warehouse 去取得玩具車的模型</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4fV8JlnFvZkEYjYanDprXDTTw0XAgHjB0vukcorSKa8El1srt0iEqLd-QvsSmZ417YcK2vpPuwuvytlkA_7aOSu6fSus9V8cCsTXUOM_atVKEfyxrXklSfwbRm8AvbVNfp73cSU4rlnU/s1600/2015-04-12_074543.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4fV8JlnFvZkEYjYanDprXDTTw0XAgHjB0vukcorSKa8El1srt0iEqLd-QvsSmZ417YcK2vpPuwuvytlkA_7aOSu6fSus9V8cCsTXUOM_atVKEfyxrXklSfwbRm8AvbVNfp73cSU4rlnU/s1600/2015-04-12_074543.jpg" height="434" width="640" /></a></div>
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搜尋 Toy Model-T Car ,並且下載下來當作這篇示範的主角。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7_fJ80SFiXNG-zlhMoGebKLi2OOgO5562prFiy5rbwh-Awq7cDWHAt_jXVBugSjhZCjrglzYssB5rJGD3kzOg80UudLsU8UCkVf4Vpt7AiAF-jIPeQd0XJLIEbKz23rbFhVZUOkX8eCE/s1600/2015-04-12_074601.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7_fJ80SFiXNG-zlhMoGebKLi2OOgO5562prFiy5rbwh-Awq7cDWHAt_jXVBugSjhZCjrglzYssB5rJGD3kzOg80UudLsU8UCkVf4Vpt7AiAF-jIPeQd0XJLIEbKz23rbFhVZUOkX8eCE/s1600/2015-04-12_074601.jpg" /></a></div>
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並且直接匯入SketchUp中。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSi7nbfWitJZ_PAHpvnHDRwxkmeOOM7dKlptNSZv44r78Z5QP2stI5ZgvXshNgMLntGiK1D31EwfQkIKM7RXA3ZbjFnTkLZ4L2vDFf_OugyjZxaQWJDfu0L0GcTJlwCTeMoqpXkxcioTs/s1600/2015-04-12_074606.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSi7nbfWitJZ_PAHpvnHDRwxkmeOOM7dKlptNSZv44r78Z5QP2stI5ZgvXshNgMLntGiK1D31EwfQkIKM7RXA3ZbjFnTkLZ4L2vDFf_OugyjZxaQWJDfu0L0GcTJlwCTeMoqpXkxcioTs/s1600/2015-04-12_074606.jpg" /></a></div>
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下載</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiar6VFcW8K6uA4i4pq3-EEFpLJslf7gSy9iBRj385vbI5Kypx2jJ_FibaRaXZFHRDBEWMV6AqF8hGt2DiU2p2owH5HRf7qeKtK-ky6tCQrFPquS600cKa3bAtFLAE2gMy04YHGkp-Z6QU/s1600/2015-04-12_074659.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiar6VFcW8K6uA4i4pq3-EEFpLJslf7gSy9iBRj385vbI5Kypx2jJ_FibaRaXZFHRDBEWMV6AqF8hGt2DiU2p2owH5HRf7qeKtK-ky6tCQrFPquS600cKa3bAtFLAE2gMy04YHGkp-Z6QU/s1600/2015-04-12_074659.jpg" height="358" width="640" /></a></div>
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放置模型到工作空間中</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdU1iHJ-4Mm93HKIGP9pQjzSbLIgT0QnMKHo_V0Rt8IlRr4-lTor087dDio0-gWtnNbzgCoMXz-qslaMGlX6k1A3ZxCn3BW4I99qhR1uoxo0CT-gWHeBKAjYFOo3almS2QEKPLgpAe800/s1600/2015-04-12_075144.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdU1iHJ-4Mm93HKIGP9pQjzSbLIgT0QnMKHo_V0Rt8IlRr4-lTor087dDio0-gWtnNbzgCoMXz-qslaMGlX6k1A3ZxCn3BW4I99qhR1uoxo0CT-gWHeBKAjYFOo3almS2QEKPLgpAe800/s1600/2015-04-12_075144.jpg" height="358" width="640" /></a></div>
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在模型周圍畫三面牆,當做拍照的背景。</div>
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順手把那個不要的Makerbot工作區域樣本刪除。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpfiyw5M19oIsPzccrzkNw56fve7HBlehRnPMTb_q9FvTA5Dzg0VokR0-ehfHTvVMPYKiJujIciUMH2vGHxnmW513jHemcv3b0dw4oEsWRSrHYEC85aWvctGisc-37u9lB4Ty4sinOxzc/s1600/2015-04-12_075333.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpfiyw5M19oIsPzccrzkNw56fve7HBlehRnPMTb_q9FvTA5Dzg0VokR0-ehfHTvVMPYKiJujIciUMH2vGHxnmW513jHemcv3b0dw4oEsWRSrHYEC85aWvctGisc-37u9lB4Ty4sinOxzc/s1600/2015-04-12_075333.jpg" height="400" width="311" /></a></div>
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背景加上磚牆的材質。</div>
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開啟"顏料桶",選擇"瀝青和混凝土 -> 混凝土_塊_擋土_灰色"這個材質。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIKO-fQt2o1h5KJd08pOeifCv-V6fKBXJOSvYY5c6acwkf8bxv_yWB5wRFoXa4lyTMMQdH822w70tyknYxfgqsVQ72b1fSAzxNCVNrmhyphenhyphen81v5u-dIHuJMwrych1dLYvm0FCrzdk4tNqIo/s1600/2015-04-12_075356.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIKO-fQt2o1h5KJd08pOeifCv-V6fKBXJOSvYY5c6acwkf8bxv_yWB5wRFoXa4lyTMMQdH822w70tyknYxfgqsVQ72b1fSAzxNCVNrmhyphenhyphen81v5u-dIHuJMwrych1dLYvm0FCrzdk4tNqIo/s1600/2015-04-12_075356.jpg" height="358" width="640" /></a></div>
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塗到兩面牆壁上。</div>
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看起來磚塊的size太大了,需要調整。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLkrYhU66g8k4T3i-o2iane8skLkMjy47cvfxRoE-_2Go3R7gmOr1ThtvFgjdOPjNBi-abOrVrBt3rmz7LppfgXtMCT57xylM4S3CN2r2-Uoi_WfgIvcilapm9A4YO9W-54QGY6-UC6bA/s1600/2015-04-12_075415.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLkrYhU66g8k4T3i-o2iane8skLkMjy47cvfxRoE-_2Go3R7gmOr1ThtvFgjdOPjNBi-abOrVrBt3rmz7LppfgXtMCT57xylM4S3CN2r2-Uoi_WfgIvcilapm9A4YO9W-54QGY6-UC6bA/s1600/2015-04-12_075415.jpg" height="400" width="240" /></a></div>
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點選"編輯"標籤。</div>
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原本的"紋理"大小為609.6mm。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOHvXRcF3n_vFGt5qtbli2Vod2Y_qhHGMVrjHCCHq_Ja5dVVfGpyALYcCgq3HFPvGWlg-6DURszyxZPIjM31xvJtjGRTD4gwBHRE5uGhX1mQXuXIDxDw8edL0GoZmuGx6tPPhRWPvD6Ww/s1600/2015-04-12_075511.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOHvXRcF3n_vFGt5qtbli2Vod2Y_qhHGMVrjHCCHq_Ja5dVVfGpyALYcCgq3HFPvGWlg-6DURszyxZPIjM31xvJtjGRTD4gwBHRE5uGhX1mQXuXIDxDw8edL0GoZmuGx6tPPhRWPvD6Ww/s1600/2015-04-12_075511.jpg" height="400" width="240" /></a></div>
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經過幾次調整後,覺得改成"50mm"可以獲得比較合理的專塊大小。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnsC1M0D7pZUSd9GyT27xOlm-rpPEU2ebILGzKtwxSQGMiR0dm4XbBOoLE00EOAoQBLlS1B2KD0EmY8SeFqV1no-gyS8_JLZZJuqXzvRVEGx5eHalnwwvpt0mNN1s0HuAoDfFqlg_tI94/s1600/2015-04-12_075517.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnsC1M0D7pZUSd9GyT27xOlm-rpPEU2ebILGzKtwxSQGMiR0dm4XbBOoLE00EOAoQBLlS1B2KD0EmY8SeFqV1no-gyS8_JLZZJuqXzvRVEGx5eHalnwwvpt0mNN1s0HuAoDfFqlg_tI94/s1600/2015-04-12_075517.jpg" height="358" width="640" /></a></div>
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牆面看起來像這樣子,</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMIMF1axJ6rh7FP6WHhJMoDD8MENt9Isk8JYyVP6bqhfQDMYad-U2kHUdcf6bHjme1UObLUwR0B9bnMpl0SbKe0OWX2LqFTHjByH2OcgloK5SDPRM29vqphyesnSgBARTkdgwnBLvXMPM/s1600/2015-04-12_075542.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMIMF1axJ6rh7FP6WHhJMoDD8MENt9Isk8JYyVP6bqhfQDMYad-U2kHUdcf6bHjme1UObLUwR0B9bnMpl0SbKe0OWX2LqFTHjByH2OcgloK5SDPRM29vqphyesnSgBARTkdgwnBLvXMPM/s1600/2015-04-12_075542.jpg" height="400" width="311" /></a></div>
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接下來選擇"混凝土_標記_方石",並且塗在地面上。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4P3GY_2isKQz4ZZAWqguf5gn-t6A7aIfddgQpIZ-aPOb0RmbQCu_egrrYVNoVVAuPzF-OyDtlr982AR4JF__TMqxO37PIEHQY_2RQmd-ZXAZxq4kowmD3VtCQKrglMqdsyz0GDfaoo0Y/s1600/2015-04-12_075632.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4P3GY_2isKQz4ZZAWqguf5gn-t6A7aIfddgQpIZ-aPOb0RmbQCu_egrrYVNoVVAuPzF-OyDtlr982AR4JF__TMqxO37PIEHQY_2RQmd-ZXAZxq4kowmD3VtCQKrglMqdsyz0GDfaoo0Y/s1600/2015-04-12_075632.jpg" height="400" width="240" /></a></div>
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一樣需要修改紋理的大小,這邊設定成"100mm",看起來會比較理想。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp1vnlKx_H9DS9Jk9LhgJoCiM98zSe4mZKAZLCTFVVgsS8RFqr0XM5Y4IF5t7SAwgiXA7eOjpuoPLmZeNspiADhkG-_5O9t4FhO0X1zgj3tNX7Jx4_Vx7NtjzEj2LFFK5hdkDfuuE1S44/s1600/2015-04-12_091310.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp1vnlKx_H9DS9Jk9LhgJoCiM98zSe4mZKAZLCTFVVgsS8RFqr0XM5Y4IF5t7SAwgiXA7eOjpuoPLmZeNspiADhkG-_5O9t4FhO0X1zgj3tNX7Jx4_Vx7NtjzEj2LFFK5hdkDfuuE1S44/s1600/2015-04-12_091310.jpg" height="358" width="640" /></a></div>
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地板鋪面看起來像這樣。</div>
<h3>
Visualizer 啟動!!</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMET_ZPqhVDIhR7dOA-Cp6bsDsPf1ukOzGLjGZtppGD4ZFu6X7iCVQvyzZYPvlhGrMgSx548fLUUPAHffWxkYp3sWy7iiU8H_kpy7j9VveMxrqQUonnJcBtT4261HSEYraOvfDEopbXys/s1600/2015-04-12_091421.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMET_ZPqhVDIhR7dOA-Cp6bsDsPf1ukOzGLjGZtppGD4ZFu6X7iCVQvyzZYPvlhGrMgSx548fLUUPAHffWxkYp3sWy7iiU8H_kpy7j9VveMxrqQUonnJcBtT4261HSEYraOvfDEopbXys/s1600/2015-04-12_091421.jpg" height="358" width="640" /></a></div>
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接下來就可以啟動 Visualizer 了!!</div>
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直接點選Visualizer的啟動按鈕,或是在"延伸程式 -> Visualizer -> Start Visualizer" 啟動它。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwawOK8MeA-xW0b6uer2PvCCsHMmrGAvEizkHRxzZkevOsjuGg-uDH3cuWIQ7tiZNq26oMvNMiREQXva62IduwlPuCEopZdagAd1AC8Q09iTmDxgtuADFf-cBls2_aaZarEw7gdtWL9D8/s1600/2015-04-12_091650.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwawOK8MeA-xW0b6uer2PvCCsHMmrGAvEizkHRxzZkevOsjuGg-uDH3cuWIQ7tiZNq26oMvNMiREQXva62IduwlPuCEopZdagAd1AC8Q09iTmDxgtuADFf-cBls2_aaZarEw7gdtWL9D8/s1600/2015-04-12_091650.jpg" height="358" width="640" /></a></div>
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黑色時尚風格的操作介面 ShowUp!!</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzlaGa0s8cBK83w6dd46IUZRhLE4HYItcps2DCK9vL7IKAZYZeZPwHFyG9YQZkYHGAQA-WXpi9kPiocXT3DajGk1ajI25Ad9tck7B1ayvTGwr0f4Mg6oUvXwb_8hgGO71c_COBD2ROLuI/s1600/2015-04-12_091552.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzlaGa0s8cBK83w6dd46IUZRhLE4HYItcps2DCK9vL7IKAZYZeZPwHFyG9YQZkYHGAQA-WXpi9kPiocXT3DajGk1ajI25Ad9tck7B1ayvTGwr0f4Mg6oUvXwb_8hgGO71c_COBD2ROLuI/s1600/2015-04-12_091552.jpg" height="358" width="640" /></a></div>
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很快得,什麼設定都不用做,Visualizer 就開始產生渲染結果。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9zPtgN9sUal-lbRz8TEkmZ2fc3uaAZ4Da_53PDJu-0DgbNEAa2F7dKc1uchvBDECNrxu0vtFHXOJ-aFSCoJsBiBMpfB-1QjIfRR4iWpL1a-jDgJDiFI3NP2XliwhzYhDnwkee6FzXcoU/s1600/2015-04-12_091740.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9zPtgN9sUal-lbRz8TEkmZ2fc3uaAZ4Da_53PDJu-0DgbNEAa2F7dKc1uchvBDECNrxu0vtFHXOJ-aFSCoJsBiBMpfB-1QjIfRR4iWpL1a-jDgJDiFI3NP2XliwhzYhDnwkee6FzXcoU/s1600/2015-04-12_091740.jpg" height="482" width="640" /></a></div>
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Visualizer 會不停得改善渲染結果,時間等越久,畫面的精細程度就會越來越精美。</div>
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左下角時鐘符號可以點選,會跳出選單,有三種精細程度可以選擇。不過這三個選項只是用來提醒"目前精細程度已經到達的水準"。到達時只會發出提醒,並不會停止渲染的計算。如果不關閉Visualizer,他就會一直算一直算,算到CPU燒掉為止(我還沒看過他停下來)。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXVzHqIXQxjWiF_Bked_RerT4d2rnL3-1DJ_o0Vhxb2Xa9j7xFlMXKsmoQu2Tw1NDGi464t7NwB9zuHW6yQMdb25oEMvt-Se8qItz_OBuZj4E5QLj3Z6BvFc_TxZhPNXL7y7xXHzksr5Y/s1600/2015-04-12_091836.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXVzHqIXQxjWiF_Bked_RerT4d2rnL3-1DJ_o0Vhxb2Xa9j7xFlMXKsmoQu2Tw1NDGi464t7NwB9zuHW6yQMdb25oEMvt-Se8qItz_OBuZj4E5QLj3Z6BvFc_TxZhPNXL7y7xXHzksr5Y/s1600/2015-04-12_091836.jpg" height="482" width="640" /></a></div>
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歐,這張圖重複了。(to do : 刪除這張圖)</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmfKMJIJFPbRBAy-EsMPAx6dsT7hTZttuVAu8JK1i0zqnjlTPuXkfu1cOsrdHcPzUO_UwnfWf1AzHxLfU9bhgAcf1XUXsdrLOOqd7sqrglSJ4vLbNLDp1dIh26ZCm5Z6iTzo2kkAEiRVA/s1600/2015-04-12_091846.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmfKMJIJFPbRBAy-EsMPAx6dsT7hTZttuVAu8JK1i0zqnjlTPuXkfu1cOsrdHcPzUO_UwnfWf1AzHxLfU9bhgAcf1XUXsdrLOOqd7sqrglSJ4vLbNLDp1dIh26ZCm5Z6iTzo2kkAEiRVA/s1600/2015-04-12_091846.jpg" height="482" width="640" /></a></div>
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Visualizer會估計還要多少時間才會達到應有的精細程度,這些估計值會不停得變動,參考就好。</div>
<h3>
對焦、曝光、景深</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZETN_fGWTnfsHYQiPPXPRTRdrikxolt2m5My5KSq4dne_mBChO-fccNzRwtlAIMZZOWgKOveRmqd1VxLdBLYzMo2pNo4i2-qibU6d90Zh9QHswUM51Wy45q12lvjIdebCVTBv6AXFjxY/s1600/2015-04-12_091951.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZETN_fGWTnfsHYQiPPXPRTRdrikxolt2m5My5KSq4dne_mBChO-fccNzRwtlAIMZZOWgKOveRmqd1VxLdBLYzMo2pNo4i2-qibU6d90Zh9QHswUM51Wy45q12lvjIdebCVTBv6AXFjxY/s1600/2015-04-12_091951.jpg" height="482" width="640" /></a></div>
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接下來可以試著拉動右下角的"景深控制",讓對焦點附近的影像清楚,焦點外的部分模糊。這樣可以讓畫面中的主角更加搶眼。</div>
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開啟景深功能後,畫面中會出現"對焦點選擇器",拖移它,可以選擇要對焦的地方。</div>
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(如果對景深的形成原理有興趣,可以參考這篇"<a href="http://www.dcview.com.tw/photoclass/depth/depth_fpe.htm" target="_blank">景深的迷思</a>"。這篇算是我在網路上發表的第一篇教學呢,呵呵~)</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlUm4xqIDhAQjA_r5B6ptaDxutOMn1qqiJsW0hpMsBOz20B_Psbk4ILQ7OXlvykCxXBRh7xZOZ-1LYYKvgLMrFiQHyV_lzDdr-QyCQ7BqakDRQWaTT2qacbZMLkytORYiQIA1YNI3WvrU/s1600/2015-04-12_092010.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlUm4xqIDhAQjA_r5B6ptaDxutOMn1qqiJsW0hpMsBOz20B_Psbk4ILQ7OXlvykCxXBRh7xZOZ-1LYYKvgLMrFiQHyV_lzDdr-QyCQ7BqakDRQWaTT2qacbZMLkytORYiQIA1YNI3WvrU/s1600/2015-04-12_092010.jpg" height="482" width="640" /></a></div>
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對焦跟曝光的位置也可以分開設定。點集AF跟AE中間的鎖鍊符號,可以解開對焦跟曝光兩個游標的鎖定功能,這樣就可以分開選擇對焦跟曝光的位置了。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglqENlqRR7Yfjm5Cr2_8Ey2QYIoVFBHvQlxHCS-Lsq8okRARcNW0rwacTcFpzw7Tn5HhO_k32ygr9MPqHXBHsU5EawQom6B-jTe4WkUiP51ouwmulEjlcTxcrBqCUfnNmz56ukpuewSFs/s1600/2015-04-12_092121.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglqENlqRR7Yfjm5Cr2_8Ey2QYIoVFBHvQlxHCS-Lsq8okRARcNW0rwacTcFpzw7Tn5HhO_k32ygr9MPqHXBHsU5EawQom6B-jTe4WkUiP51ouwmulEjlcTxcrBqCUfnNmz56ukpuewSFs/s1600/2015-04-12_092121.jpg" height="482" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9BcY0jjtTjcrsBD9cnNKmQaWvf8-k72DNkpbNwXRT6hq0Uy9S1CbixB2Q5GN7UT9kRS32HD5p3nNg5UUsBeeCsPqHBBLG34cr9TWHGqI9NcnDUSlQ3eRzmEBu32cXlR8SJCIZ8gntahw/s1600/2015-04-12_092048.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9BcY0jjtTjcrsBD9cnNKmQaWvf8-k72DNkpbNwXRT6hq0Uy9S1CbixB2Q5GN7UT9kRS32HD5p3nNg5UUsBeeCsPqHBBLG34cr9TWHGqI9NcnDUSlQ3eRzmEBu32cXlR8SJCIZ8gntahw/s1600/2015-04-12_092048.jpg" height="482" width="640" /></a></div>
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對焦在車頭燈上,但是曝光以引擎箱正面為準。</div>
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<h3>
渲染圖解析度設定</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOXfwQp24q8aoAf2mdFjzd-gKjstuIHuABh_YUdLl7hqBs7OM0BIVW0QCPh1uWsau8L1tkCdlYbB_UGY5IKd9nB5euQdvnA1U0kmp83NTRTbWXZJ-6-UMD1CIDuhyphenhyphenDs2OfE3ULzityAWM/s1600/2015-04-12_092219.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOXfwQp24q8aoAf2mdFjzd-gKjstuIHuABh_YUdLl7hqBs7OM0BIVW0QCPh1uWsau8L1tkCdlYbB_UGY5IKd9nB5euQdvnA1U0kmp83NTRTbWXZJ-6-UMD1CIDuhyphenhyphenDs2OfE3ULzityAWM/s1600/2015-04-12_092219.jpg" height="482" width="640" /></a></div>
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選擇解析度設定最下面的按鈕,開啟自訂解析度功能。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAGn7v3LoiJSKGORW2rsc9AjMRHdE2ZCWRdNqOYMdrWI0tQGY2lTq1QFhMb_YYkOevEl8u7qz2SWIrDbzrUs5T5qHndc6oQ3-sQ1gR_Oelz1zcpqLPCw9Hts7XsCuH0X9jYx7wJxMc2jU/s1600/2015-04-12_092248.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAGn7v3LoiJSKGORW2rsc9AjMRHdE2ZCWRdNqOYMdrWI0tQGY2lTq1QFhMb_YYkOevEl8u7qz2SWIrDbzrUs5T5qHndc6oQ3-sQ1gR_Oelz1zcpqLPCw9Hts7XsCuH0X9jYx7wJxMc2jU/s1600/2015-04-12_092248.jpg" /></a></div>
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<span style="text-align: start;">可以直接輸入畫面寬高的數字(pixels)。</span></div>
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<span style="text-align: start;">寬跟高隻間的鎖鍊符號,代表長寬比要固定,改寬度,高度會依比例跟著調整。點一下鎖鍊符號可以解開限制。</span></div>
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<span style="text-align: start;">Save as Favorie 1~3可以指定解析度快速按鈕所要設定的解析度。</span></div>
<h3>
光線、陰影</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2kJiq82bX-bwcEsdqa11kclvmHZghNv4Si6CCGWZDIs5YAd127lEA5AyK6ZCpj7paUHMu53pHfYROZQPmQU7DD3QM5GdxOKIIjt4izSROvdM7_ES39Bckj1bp2PZ8P2VpmNrx14KLRIg/s1600/2015-04-12_092352.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2kJiq82bX-bwcEsdqa11kclvmHZghNv4Si6CCGWZDIs5YAd127lEA5AyK6ZCpj7paUHMu53pHfYROZQPmQU7DD3QM5GdxOKIIjt4izSROvdM7_ES39Bckj1bp2PZ8P2VpmNrx14KLRIg/s1600/2015-04-12_092352.jpg" height="358" width="640" /></a></div>
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接下來我們試著調整太陽光照射的角度。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5rN9cUdMH93HT8Rg0S3H0jqmYEndHjt1C7rFvSWda0JNtKSU-275vUNXkWMC7XbtgZAgJfMD_e3Zwx_bns2Lplud4SzaNLKBuFKh68rqkFHlJwit7-rmKzIWGJ_sqODH6gFXA4C6B0Ho/s1600/2015-04-12_092409.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5rN9cUdMH93HT8Rg0S3H0jqmYEndHjt1C7rFvSWda0JNtKSU-275vUNXkWMC7XbtgZAgJfMD_e3Zwx_bns2Lplud4SzaNLKBuFKh68rqkFHlJwit7-rmKzIWGJ_sqODH6gFXA4C6B0Ho/s1600/2015-04-12_092409.jpg" height="358" width="640" /></a></div>
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開啟SketchUp中的"陰影工具列。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8S86zQVBeIPmNe_M5PWdUimFSjqJkW4ZhUx4bryMWmsWEj2bh4aqqe1iVlm8l8KkG2OJZVWT9iC6zxLa7La7uDP-B1lLnZ85RwFiWepcVBBE6d4frA4iuOBanzg-Qhp48PUFEcyV4e7M/s1600/2015-04-12_092501.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8S86zQVBeIPmNe_M5PWdUimFSjqJkW4ZhUx4bryMWmsWEj2bh4aqqe1iVlm8l8KkG2OJZVWT9iC6zxLa7La7uDP-B1lLnZ85RwFiWepcVBBE6d4frA4iuOBanzg-Qhp48PUFEcyV4e7M/s1600/2015-04-12_092501.jpg" height="358" width="640" /></a></div>
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案工具列的第一個按鈕,可以調整陰影的參數。第二個按鈕可以啟動或關閉陰影(SketchUp中的陰影預覽可以關閉,但是Visualizer內渲染出來的陰影是不會被關閉的。)</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfgscdaGNIrsuPBE3LkfKcJeRkpgR79XbsY7jt0vkPRhFov5bqlxOfyY1XfLeNYylG0nH_PB6Azy20h1YsuNELGlnK31GrnHoCHNZmt88ZzWBP2JWXee-tmeMHxjqEfWjrCcZomsCuv0Y/s1600/2015-04-12_092605.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfgscdaGNIrsuPBE3LkfKcJeRkpgR79XbsY7jt0vkPRhFov5bqlxOfyY1XfLeNYylG0nH_PB6Azy20h1YsuNELGlnK31GrnHoCHNZmt88ZzWBP2JWXee-tmeMHxjqEfWjrCcZomsCuv0Y/s1600/2015-04-12_092605.jpg" height="482" width="640" /></a></div>
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調整陰影工具列上的時間跟日期,可以改變太陽照射的角度跟顏色(夕陽會有點黃黃的)。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2VJyxY4c-YaL4_RMD7htg3KBbs0lrTaP_G4Bdvxwyi6tdIjki6AsFYOtko_BRdW2mwTDaJCSPJXoHgE6A8hHeT3l6DgqktN9c47iLKeP9D4wuDBZQoYImZsb6aRNi61fMWXbUSiKhQwo/s1600/2015-04-12_092637.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2VJyxY4c-YaL4_RMD7htg3KBbs0lrTaP_G4Bdvxwyi6tdIjki6AsFYOtko_BRdW2mwTDaJCSPJXoHgE6A8hHeT3l6DgqktN9c47iLKeP9D4wuDBZQoYImZsb6aRNi61fMWXbUSiKhQwo/s1600/2015-04-12_092637.jpg" height="482" width="640" /></a></div>
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調整到另一個角度,陰影的方向也跟著變化。</div>
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材質反光設定</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidFiTwdQmQO1E8Ccy3bMsNkjmHBvJXp7yuosSMMIepM8BAI1p6TqjViQ9n087pMFhbfg-VjgUYF9pyTqUGNrIvNAznyXYOZhNwfL44haNf6Z2AMJTZuI7uZJPbmDOQEf0lNUP3SoRNP6M/s1600/2015-04-13_130515.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidFiTwdQmQO1E8Ccy3bMsNkjmHBvJXp7yuosSMMIepM8BAI1p6TqjViQ9n087pMFhbfg-VjgUYF9pyTqUGNrIvNAznyXYOZhNwfL44haNf6Z2AMJTZuI7uZJPbmDOQEf0lNUP3SoRNP6M/s1600/2015-04-13_130515.jpg" /></a></div>
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Visualizer利用材料裡頭的"不透明度"來判斷材質是否帶有光澤。我們來試著讓地板的紅磚上帶有反光的效果。</div>
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回到材料視窗,選擇剛剛塗在地上的"混凝土_標記_方石",並且把不透明度設定成90%。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWXW1zpZd1TtKchZGhy4VOfCvKS8n5R276qv_TT91-QSbyYEpbBf8RwW4EWAt28Yy02VtBoVgcOh7ykxh-DJ3-8xOiDQXHt09fP2BeQtrITfzoN-DchlGRHrQOWDsBYBCkDBTUfpybIKo/s1600/2015-04-12_093421.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWXW1zpZd1TtKchZGhy4VOfCvKS8n5R276qv_TT91-QSbyYEpbBf8RwW4EWAt28Yy02VtBoVgcOh7ykxh-DJ3-8xOiDQXHt09fP2BeQtrITfzoN-DchlGRHrQOWDsBYBCkDBTUfpybIKo/s1600/2015-04-12_093421.jpg" height="482" width="640" /></a></div>
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待Visualizer渲染後,地板上就出現鏡面反射的效果了!!</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzkP4uARTqnLjTEv2GdAITrtuigE11i-AweaNbB0qzaXrEE1Zn7cphUjLANWRk2FWhwKEqzBS3t5iNEgCWD91WXriNaYJHQ2iJbjUP_53nx8p4N-rl6sUeJFOOKYDWIrk0v1vcz5tT8eY/s1600/2015-04-12_093919.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzkP4uARTqnLjTEv2GdAITrtuigE11i-AweaNbB0qzaXrEE1Zn7cphUjLANWRk2FWhwKEqzBS3t5iNEgCWD91WXriNaYJHQ2iJbjUP_53nx8p4N-rl6sUeJFOOKYDWIrk0v1vcz5tT8eY/s1600/2015-04-12_093919.jpg" height="482" width="640" /></a></div>
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再另外點選"材質加強"的按鈕,Visualizer會依照材質貼圖的紋路,做出比較逼真的反射影像,而不是單純用鏡面的方式映射出倒影。</div>
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鏡面反射或是依材質反光,各有優缺點,就看大家各自喜歡怎麼設定囉~</div>
<h3>
雜訊、雜點、高品質渲染</h3>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjupfmM9drs7zHpDOk1RZ7F8BwDUoPHqOUS0nd0z-RXnhXriRbCtuOtNdh-MEGtjctdJ9AHPsusWhfeXW3Q99CHGdL7yxIfJlW7dNu3FvNv5xFGzEfYsUvDIIfj2Ld2hcL2HlvV6LVUUws/s1600/2015-04-12_094657.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjupfmM9drs7zHpDOk1RZ7F8BwDUoPHqOUS0nd0z-RXnhXriRbCtuOtNdh-MEGtjctdJ9AHPsusWhfeXW3Q99CHGdL7yxIfJlW7dNu3FvNv5xFGzEfYsUvDIIfj2Ld2hcL2HlvV6LVUUws/s1600/2015-04-12_094657.jpg" height="482" width="640" /></a></div>
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開啟"材質加強"功能,關閉"雜訊過濾"以及"雜點抑制"功能,待渲染品質達到"預覽"等級時的渲染結果,暗處得雜點相當明顯。關閉景深的功能,所以整個畫面都是清楚不模糊的。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgH1pZDWGnrIoow82mt9equ47IUSb0JqqhyIifjHOJkwnOUrjMRB0D19GEy-jborIeHPtoSDPutpvcMr2G-KrzAeC0TwUGZwvIKX6wkTdFm07gCCLflMLtCMyTbtwsZe1SKG8rxp1cgsww/s1600/2015-04-12_094833.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgH1pZDWGnrIoow82mt9equ47IUSb0JqqhyIifjHOJkwnOUrjMRB0D19GEy-jborIeHPtoSDPutpvcMr2G-KrzAeC0TwUGZwvIKX6wkTdFm07gCCLflMLtCMyTbtwsZe1SKG8rxp1cgsww/s1600/2015-04-12_094833.jpg" height="482" width="640" /></a></div>
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增加一點點景深效果,到達"預覽"等級時,可以看到陰影處有雜點,沒對到焦的模糊區域,也有相當多的雜訊。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgI2fKSt3J0NQ0HTJZLXNEiwlIjIAx3BE7nFACsjiTHgfrYssCE4ubTyV2sz-kYTLbJf4aXVitDvToSzuW-6EL2BKK5zjjpliI3lMwFbqrJI-nT4vYoKJjxu-QbRxibRfMjzmAIGsHUT_Y/s1600/2015-04-12_095638.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgI2fKSt3J0NQ0HTJZLXNEiwlIjIAx3BE7nFACsjiTHgfrYssCE4ubTyV2sz-kYTLbJf4aXVitDvToSzuW-6EL2BKK5zjjpliI3lMwFbqrJI-nT4vYoKJjxu-QbRxibRfMjzmAIGsHUT_Y/s1600/2015-04-12_095638.jpg" height="482" width="640" /></a></div>
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"雜點抑制"功能開到最強,看起來暗處得雜點有獲得改善。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhss-Kpr7s41f13WmGz4O-eVVzQvW50zWV3lqSNdGTimZJ6MY8Eutv26bhTz9_yFDo5_jHblBXLDGqvmz0lMGBRyscbwc6Ys2J-lSGn84AOpzp41vSlndUlKdJh7J8mNs3hA2Np1kkXoRo/s1600/2015-04-12_095939.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhss-Kpr7s41f13WmGz4O-eVVzQvW50zWV3lqSNdGTimZJ6MY8Eutv26bhTz9_yFDo5_jHblBXLDGqvmz0lMGBRyscbwc6Ys2J-lSGn84AOpzp41vSlndUlKdJh7J8mNs3hA2Np1kkXoRo/s1600/2015-04-12_095939.jpg" height="482" width="640" /></a></div>
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單獨開啟"雜訊過濾",不過看起來好像還是有雜訊。也許再多給它一些時間做渲染,雜訊會有所改善吧。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj42GDOwoIQG48pL3BzgQXi4qyUy6S5zMcKIdg97_FrPkHYqSlFiumTBumSWAMFBH2eKVVS-RsnWjYdQ3HIgRolmZdYV5cR7fnV-FCIxSAtY5ZIqDbbhb7XO-IP9AzvJjp9QtyRc77BR7E/s1600/2015-04-12_115439.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj42GDOwoIQG48pL3BzgQXi4qyUy6S5zMcKIdg97_FrPkHYqSlFiumTBumSWAMFBH2eKVVS-RsnWjYdQ3HIgRolmZdYV5cR7fnV-FCIxSAtY5ZIqDbbhb7XO-IP9AzvJjp9QtyRc77BR7E/s1600/2015-04-12_115439.jpg" height="482" width="640" /></a></div>
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最後,把雜訊過濾跟雜點抑制都開到最強,並且等待渲染品質超過第三個等級之後,畫面上不管是雜訊或是雜點都消除得相當乾淨了!!看來想要獲得很好的渲染品質,需要相當多的CPU Power跟時間阿。</div>
<h3>
很簡單,沒幾個設定就玩完了</h3>
Visualizer用起來真的相當簡單又方便,產生出來的渲染圖品質也令人滿意,真是相見恨晚。可惜燈光只能用太陽光,不能自己另外設定多盞燈泡,就少了攝影棚打燈效過的玩法了。而且開發團隊不繼續發展這套軟體,所以也不用期待會有新的功能出現了。不過不再收費,讓大家免錢使用,也算是相當大方的了!<br />
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期待看到大家用Visualizer渲染出來的作品~<br />
<br />
<a href="https://www.getvisualizer.com/">https://www.getvisualizer.com/</a><br />
<a href="https://www.facebook.com/getvisualizer">https://www.facebook.com/getvisualizer</a>陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-39501312366859701692015-04-07T14:44:00.002+08:002015-04-07T14:45:59.105+08:00擠出頭溫度控制<br />
<ul><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqsTZyfkQeacAVACuzUpFQxSpQRCG1eRDNQXxOvf6oSHIKOmxnZFOJoX7yHM75Z6xFNJbwhwwcG0nf_y4MnWAEzdOGX2eTe3_bwg7eYu_tGFHpZ0x2Ha8uKcmNHLmI3vQN7LFan52H-PQ/s1600/2014-03-07_163515.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqsTZyfkQeacAVACuzUpFQxSpQRCG1eRDNQXxOvf6oSHIKOmxnZFOJoX7yHM75Z6xFNJbwhwwcG0nf_y4MnWAEzdOGX2eTe3_bwg7eYu_tGFHpZ0x2Ha8uKcmNHLmI3vQN7LFan52H-PQ/s1600/2014-03-07_163515.png" height="141" width="200" /></a>
<li><a href="http://diy3dprint.blogspot.tw/2014/03/marlin.html" target="_blank">Marlin 溫度感應器 數值轉換對應表</a></li>
<li><a href="http://diy3dprint.blogspot.tw/2014/04/blog-post_8.html" target="_blank">熱敏電阻阻值實測</a></li>
<li><a href="http://diy3dprint.blogspot.com/2013/08/marlin.html" target="_blank">Marlin 擠出頭溫度控制PID值校正</a></li>
<li><a href="http://diy3dprint.blogspot.tw/2014/08/pid.html" target="_blank">PID控制動手玩玩看</a></li>
<li><a href="http://diy3dprint.blogspot.tw/2013/11/marlin-sensor.html" target="_blank">Marlin 溫度 sensor 校正</a></li>
<li><a href="http://diy3dprint.blogspot.tw/2013/12/g-code.html" target="_blank">用一個G-code檔測試多種溫度設定<div class="separator" style="clear: both; text-align: center;">
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<a href="http://diy3dprint.blogspot.tw/2013/12/g-code.html" target="_blank"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhitlN_c1CC1mTQsUaDqM_8XVvKPWWXn6mfP0YScHw6ieKIT1QxRQ7Q00I0gYEhlev4GWNnyjm9AHMZRPwWMiOqGX3DW1rolXNI8tllAeoULUekBJ_autNJEdZFlAsaE2Nf28FBEAs4N6k/s1600/IMAG0653.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhitlN_c1CC1mTQsUaDqM_8XVvKPWWXn6mfP0YScHw6ieKIT1QxRQ7Q00I0gYEhlev4GWNnyjm9AHMZRPwWMiOqGX3DW1rolXNI8tllAeoULUekBJ_autNJEdZFlAsaE2Nf28FBEAs4N6k/s1600/IMAG0653.jpg" height="113" width="200" /></a></div>
</li>
</ul>
陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-42720003651704505302015-03-19T16:30:00.003+08:002015-03-19T16:45:21.603+08:00小耳機收納盒<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimXAa7NX69ytTDjE0tYxKA2YTEs0DYpjE2yGn85u21MCm7T_Xm7OXSNZa0hrZsPkR_k-7hO1Bt9oJghOCylvnc-FyQrUC7TsDqp9Ctc65Rmh6sK42EptZ2MuY9fK0xyuyaz-G5gqcttJs/s1600/Jmplus_earphone_box_preview_featured.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimXAa7NX69ytTDjE0tYxKA2YTEs0DYpjE2yGn85u21MCm7T_Xm7OXSNZa0hrZsPkR_k-7hO1Bt9oJghOCylvnc-FyQrUC7TsDqp9Ctc65Rmh6sK42EptZ2MuY9fK0xyuyaz-G5gqcttJs/s1600/Jmplus_earphone_box_preview_featured.jpg" height="480" width="640" /></a></div>
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這個設計獻給我最要好的朋友之一:Jason Lai</div>
JM-Plus 是他經營的耳機店。有需要購買耳機的朋友可以到他們店裡參考試聽耳機。<br />
<a href="https://www.facebook.com/jmplus">https://www.facebook.com/jmplus</a><br />
<br />
用SketchUp繪製的小耳機收納盒。市售的耳機收納工具,多半會把耳機線過分緊密得纏繞在太細的柱子上,其實很傷耳機線。多纏繞幾次,很容易就會出線接觸不良的問題。重新設計的收納盒,可以讓耳機線順著盒子的側牆,做大半徑得纏繞。這樣就不會容易損傷耳機線了。<br />
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有興趣想自己列印來用的朋友可以在這邊下載~</div>
<a href="http://www.thingiverse.com/thing:730184">http://www.thingiverse.com/thing:730184</a><br />
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<iframe width="320" height="266" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/MgbuRTiFhz4/0.jpg" src="http://www.youtube.com/embed/MgbuRTiFhz4?feature=player_embedded" frameborder="0" allowfullscreen></iframe></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMs35Nj6DLWmx_BZLNZxvJTyc-b7Gu6ybO2sqwvJ3kq6ElENLdw0gNjAqZbbOL3LbiMiaX0ipzjBnO-77dwg-ac0l2qFVkqA0NYt1twyU2qUWSb-SCUnHm4qlqBVNJAF2-aWbH_NlnFoY/s1600/vlcsnap-2015-03-19-16h14m27s155.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMs35Nj6DLWmx_BZLNZxvJTyc-b7Gu6ybO2sqwvJ3kq6ElENLdw0gNjAqZbbOL3LbiMiaX0ipzjBnO-77dwg-ac0l2qFVkqA0NYt1twyU2qUWSb-SCUnHm4qlqBVNJAF2-aWbH_NlnFoY/s1600/vlcsnap-2015-03-19-16h14m27s155.png" height="360" width="640" /></a></div>
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<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-12886259170935629992015-03-10T15:56:00.000+08:002015-03-11T11:02:33.612+08:00垂直水波紋<div class="separator" style="clear: both; text-align: center;">
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照片中的工件,有很明顯的垂直水波紋。i3的這種垂直紋路,是台車(XY兩軸)剎車後仍然會晃動一陣子才停下來,可是另一個方向的列印馬上就開始,所以晃動的軌跡就表現再轉彎後的地方。擠料機越重,這現象就越明顯。Y軸向上的玻璃台車越重,一樣也會。<br />
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至於減慢列印速度,或是減小列印的加速度,理論上能減輕這個垂直波紋的現象;不過依據我自己的實驗,改善的幅度不大...<br />
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皮帶逼緊,會有改善。<br />
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解決的辦法,目前傾向於改變印表機的架構。ATOM、Kossel這類Delta結構的機器,工件完全不移動,只有不帶擠出馬達的擠出頭在移動。重量輕,震動的狀況改善得幅度相當不錯。另外CoreXY搭配遠程送料機,理論上應該也可以避過這個垂直水波紋的毛病。<br />
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感謝 Hung Wei Chuan 提供照片~<br />
討論串網址<a href="https://www.facebook.com/groups/reprap.taipei/permalink/821164741254453/">https://www.facebook.com/groups/reprap.taipei/permalink/821164741254453/</a><br />
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<h4>
後續:</h4>
Sega 大神有不同的看法,我覺得也很有道理。看來這垂直波紋的成因,需要再多花點時間來驗證。<br />
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<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-78820639438312394692015-02-13T18:04:00.001+08:002015-02-13T18:04:48.995+08:00Prusa i3 Z 光軸配緊 (橫向水波紋終於有改善了~~)<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiC8PJ7aPZMpk9DvFEdwx5lh3WRHIAbUZdMgS1_aqUsxyw4jDhMW3-iC2c_LVFsgQj-ShDXIe_L5Vzou5z0DgqvFNlTHVMp6kzIgObgNoWR9HRrApeOf2-fZVen2fhM-VlX9JMFAjSQB7M/s1600/2015-02-13+17.26.27.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiC8PJ7aPZMpk9DvFEdwx5lh3WRHIAbUZdMgS1_aqUsxyw4jDhMW3-iC2c_LVFsgQj-ShDXIe_L5Vzou5z0DgqvFNlTHVMp6kzIgObgNoWR9HRrApeOf2-fZVen2fhM-VlX9JMFAjSQB7M/s1600/2015-02-13+17.26.27.jpg" height="400" width="400" /></a></div>
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右邊是Z光軸配緊之前印的垂直面,橫向水波紋較為嚴重。</div>
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左邊是配緊隻後列印的,水波紋狀況減輕許多。</div>
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其實Z光軸要配緊這件事情,兩年前詹政運大大就一直在強調,但是我都當耳邊風沒認真得去嘗試。而且還一直認為橫向水波紋一定是Z軸牙條那邊出的誤差造成的。上個月難得有機會跟詹大碰面,又聊起這件事,才又提醒我要來試試Z光軸配緊這個題目。<br />
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不試還好,試了驚為天人。天阿~ 居然改善了!!!<br />
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其實光軸跟滑套之間,間隙也許用肉眼看起來不明顯,可是反應在列印品質上,就嚴重得無法忽視。間隙改善了之後,水波紋的狀況也跟著大幅改善了。雖然沒追上ATOM2.0的列印品質,不過也許再下點功夫微調,可以再進步些。<br />
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我設計的這套配緊零件,是利用M3螺絲推動梯形方塊,去擠壓右邊的Z光軸,把光軸向右邊推。這樣一來可以讓右側光軸與滑套左側的接觸面跟著被配緊(真繞口),同樣得左側光軸與滑套的右側接觸面也配緊。這樣Z方向的水平間隙就能改善。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivOuUK_ftzEV7g9Fmic6V5cpFKR_ZexE2Uzp03ve4y_TrtRAy2lmxbEgCXomKeOqCXUCW54wSD0CTR_DUTYLmm2poxi7QyqEHaSkIMmIOZJpVShdTfXaDJYi9w1qGghZYKuBmzZSk5v6I/s1600/2015-02-12+13.47.23.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivOuUK_ftzEV7g9Fmic6V5cpFKR_ZexE2Uzp03ve4y_TrtRAy2lmxbEgCXomKeOqCXUCW54wSD0CTR_DUTYLmm2poxi7QyqEHaSkIMmIOZJpVShdTfXaDJYi9w1qGghZYKuBmzZSk5v6I/s1600/2015-02-12+13.47.23.jpg" height="400" width="400" /></a></div>
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上固定板。用M3螺絲把梯形方塊鎖上,先不要讓梯形方塊擋住光桿孔。</div>
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裝配後,再把M3螺絲鎖進去一點,讓Z光軸被向右擠壓。</div>
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光軸孔左側,是原始設計的位置。我把這個孔改成一字型長條狀,讓光軸可以被向右邊擠壓。我配緊之後光軸向右靠的狀況如圖。配緊的力量要自己拿捏,目前我也沒有建議要配到多緊。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-Ax1ulm9-M5MFsULoVKC5ajwernPOyYqjWvWSNbamu0G9gxN6YAd7SCDfkg3m8FAWJUPOOINnIK29yON7gsrX1g18rKgv3S9QDyk4hm3pS8pmRixzY_MP3AYQNUBNHgsZTFxb7_wJGB0/s1600/2015-02-12+17.40.48.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-Ax1ulm9-M5MFsULoVKC5ajwernPOyYqjWvWSNbamu0G9gxN6YAd7SCDfkg3m8FAWJUPOOINnIK29yON7gsrX1g18rKgv3S9QDyk4hm3pS8pmRixzY_MP3AYQNUBNHgsZTFxb7_wJGB0/s1600/2015-02-12+17.40.48.jpg" height="400" width="400" /></a></div>
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下端裝配好之後的狀況。光軸孔像又延展的關係,右側支撐板的其中一個卡榫要削除掉。</div>
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有興趣想試試的朋友,可以來這邊下載回去印~<br />
需要改圖的話,裡面也有SketchUP的原始設計圖檔可以參考~<br />
<a href="http://www.thingiverse.com/thing:680614" target="_blank">http://www.thingiverse.com/thing:680614</a><br />
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呼~<br />
橫向水波紋終於有改善了~~陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com1tag:blogger.com,1999:blog-2315752776686485714.post-47885186491361914432015-01-30T17:16:00.000+08:002015-01-30T17:16:13.848+08:00KISSlicer PRO 付費版功能KISSlicer的作者其實相當大方,絕大多數必要的功能,都開放免費使用。只有少部分的功能需要付費才能使用。感覺說是付費,其實有點"贊助"的味道。<br />
如果願意贊助他們購買 PRO版本,或是參考原文的說明,可以直接看他們的網頁。<br />
<a href="http://kisslicer.com/buy.html" target="_blank">http://kisslicer.com/buy.html</a><br />
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<h4>
多物件同時切片列印</h4>
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我想,這個功能不需要多解釋。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5rMAw6xtc3NKFWyvUkdAY63qkd6GjKIJrzwBFOgmzcyJuf5ybqBgxMoLjgXZ7-0GqZp3p2xxS_bIZ_tsxIrqivW4eyBsYbl129LSK4A4rEm5hghNPxlMSn1CIZkb3qoVqucMI7TecJcI/s1600/2015-01-30_151916.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5rMAw6xtc3NKFWyvUkdAY63qkd6GjKIJrzwBFOgmzcyJuf5ybqBgxMoLjgXZ7-0GqZp3p2xxS_bIZ_tsxIrqivW4eyBsYbl129LSK4A4rEm5hghNPxlMSn1CIZkb3qoVqucMI7TecJcI/s1600/2015-01-30_151916.png" /></a></div>
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<h4>
支援多擠出頭</h4>
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多擠出頭的支援,除了可以控制最多到3個擠出頭之外,還可以綁定不同材料單獨列印不同性質的模型。舉例來說,可以設定擠出頭 E 負責列印模型本體,A 擠出頭負責支撐架的部分。如果是做雙色列印,則可以擠出頭E綁定列印1號物件,擠出頭A 榜定列印2號物件。</div>
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<h4>
Stacking</h4>
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Stacking,又看不懂了,幸好解釋的描述能看得懂。</div>
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這個值會決定幾層才列印一次支撐,以及內部填充。設1的話,就會每層都有列印,設2的話,就是印兩層才印一次支撐與內部填充。這樣可以縮短列印需要的時間,但是對列印品質的影響,就待有買PRO版的朋友去發掘囉~</div>
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<span style="text-align: start;">Stacking 設1,支撐架每層都有列印。</span></div>
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<span style="text-align: start;">Stacking 設3,支撐架每3層才列印一次。</span></div>
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最後還有另外還有三個進階功能,前兩個我也不是很理解到底是在做什麼,分別是:<br />
<ul>
<li>Oversample resolution</li>
<li>Crowning Length Threshold</li>
</ul>
第三個進階功能則是使用命令的方式來做切片。這個功能可以讓程式開發人員不必自己寫切片軟體,而是當需要切片的時候呼叫KISSlicer幫忙做切片。想開發自己的印表機控制軟體的話,可以參考這個功能。<br />
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最後,有沒有人願意贊助我一些CoCo,讓我開發一款品質比較好的3D印表機啊??陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com8tag:blogger.com,1999:blog-2315752776686485714.post-39661853904345814322015-01-30T00:09:00.001+08:002015-01-30T10:06:36.249+08:00KISSlicer 跟噴頭高度有關的三個設定今天要補之前沒有搞清楚作用的三個設定,分別是 "Bed Roughness"、"Z-Settle" 以及 "Z Offset"。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNmJvzTwyEEMA5aRktywkZs3P4Rl9EprjXaImmPI93PbCwOW5mck2GyVAYu2dP_pd8geIXGJtzWW-NIELB7nHKhGulw6YE6vwSYnfCywTW2RG7CNHNYLUrnldrVf2V-wdpmAwf-1mSrsg/s1600/2015-01-29_224836.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNmJvzTwyEEMA5aRktywkZs3P4Rl9EprjXaImmPI93PbCwOW5mck2GyVAYu2dP_pd8geIXGJtzWW-NIELB7nHKhGulw6YE6vwSYnfCywTW2RG7CNHNYLUrnldrVf2V-wdpmAwf-1mSrsg/s1600/2015-01-29_224836.jpg" /></a></div>
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<h4>
Bed Roughness</h4>
Bed Roughness 照字面翻譯,實在是很難理解。床、粗慥 !? 什麼東西啊?<br />
其實這個設定值是用來增加第一層厚度的。譬如說層高設定成0.2mm,然後Bed Roughness設定成0.2mm,那第一層層高就會是 0.2 + 0.2 = 0.4mm。只有第一層會加厚,其他層的層高就不受影響。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiMiYH0FSjnGIA8-Tf5dTFvfB4hzv5v5cBZHKHvyw1CWc7Ffi9olJGoao7xVIjDFpU5GJTSiPnQfhDk9kg0cxHM0uagGdSHIXVXBZnL8egZRR9wUm95b29Rt9Lg4bRzkwadgnSn0s8RTc/s1600/2015-01-29_231817.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiMiYH0FSjnGIA8-Tf5dTFvfB4hzv5v5cBZHKHvyw1CWc7Ffi9olJGoao7xVIjDFpU5GJTSiPnQfhDk9kg0cxHM0uagGdSHIXVXBZnL8egZRR9wUm95b29Rt9Lg4bRzkwadgnSn0s8RTc/s1600/2015-01-29_231817.jpg" /></a></div>
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第一層層高是 Bed Roughness + Layer Thickness 。 0.2 + 0.2 = 0.4mm</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_wBbK8Riion7oBPY5dGu5djew_F2lqhX-AYvvgQNo0AGxUR_Ti0WAjPGQXU06Jor05Z8cowjgbIIz1xMU5Egyym5QrMPyafaao5RvYGfdcwhEPw0QZgR1rEPcF2Dok4tmbEWFES0krFk/s1600/2015-01-29_231835.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_wBbK8Riion7oBPY5dGu5djew_F2lqhX-AYvvgQNo0AGxUR_Ti0WAjPGQXU06Jor05Z8cowjgbIIz1xMU5Egyym5QrMPyafaao5RvYGfdcwhEPw0QZgR1rEPcF2Dok4tmbEWFES0krFk/s1600/2015-01-29_231835.jpg" /></a></div>
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再下一層,就只有增加 Layer Thickness 的厚度 0.2mm,來到0.6mm高。</div>
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<h4>
Z-Settle</h4>
Z-Settle,Z軸安頓!? 這也是看了好久仍然不懂在做什麼。英文解釋方塊裡的說明也是讓人一頭霧水。<br />
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透過直接閱讀G-code,我才了解這個設定會做什麼事。以下圖中的G-code來做說明。<br />
"BEGIN_LAYER_OBJECT"標註這個部分要開始列印高度為14mm的這層。<br />
"G1 X115.48 Y103.6 Z14.2 E0 F18000" 這行要求擠出頭移動到要畫圈圈的開頭點" X115.48 Y103.6",但是Z軸的位置不是這層的高度,而是這層的高度加上"Z-Settle"的值 "14.2"。就定位後,再執行下一行"G1 X115.48 Y103.6 Z14 E0 F3000",把Z軸高度降回14mm的位置。然後再開始繪製。<br />
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依照軟體說明上的講法,這樣可以讓印表機比較穩定得完成起始點的定位工作。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFB_OnknfM37_bXDHxVPaYdMMGjV7ZNjQ_zKWUC037-bTVXVjwDAcYUyn6yyHwUsNGse1fPGBw5O1VmibB4d2fPe6VUHJB8XtRbqnmupMbXBxEfpxatWmHg9EKa6I48BfD8UxLiKS12z0/s1600/2015-01-29_232903.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFB_OnknfM37_bXDHxVPaYdMMGjV7ZNjQ_zKWUC037-bTVXVjwDAcYUyn6yyHwUsNGse1fPGBw5O1VmibB4d2fPe6VUHJB8XtRbqnmupMbXBxEfpxatWmHg9EKa6I48BfD8UxLiKS12z0/s1600/2015-01-29_232903.jpg" /></a></div>
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繪製線段之前,會先讓擠出頭移動到起始點正上方距離Z-Settle高的位置,再讓擠出頭垂直下降到起點,然後開始擠料畫線。</div>
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<h4>
Z Offset</h4>
Z Offset 就比較沒那麼難理解,是用軟體來微調擠出頭歸零高度的。如果擠出頭位置歸零後,需要再稍微抬高0.4mm,才能讓擠出頭的實際位置剛好在玻璃檯面上,那就可以把Z Offset設定成0.4。之後列印的位置就會抬高0.4mm。這樣就可以不必重新調整機器,但仍然可以消除Z軸位置的誤差。Z Offset 只會改變整個列印時Z方向的位置,並不會增減第一層的擠料量;但是Bed Roughness會。<br />
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如果機器的狀況是歸零後噴頭比檯面高,那Z Offset就要設定成負值來做調整才行了。方向不要弄錯囉!另外要提醒一下,機器韌體裡頭有設定Z軸座標的最小值,一般都會設定成零。如果是這樣的話,切片軟體要是下指令要求Z軸移動到"負數"的位置,機器是不會理會的。需要修改韌體,或是重新校正Z歸零點的位置,不要高於檯面。<br />
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如果韌體使用Marlin的話,需要修改的是configuration.h裡頭的 "#define Z_MIN_POS 0"這行,0要改成小於零的數值,也許"-1"就夠了。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-3YAwT9Qfi7e_M7CtoQqT18ndDRepJHIrL8OfdIxjoaeGd4uKWwrfwM3Ps6be2_lC2xK4BERXiEv4uwNq9nuCgNpTCNOqdeGzisovRxaDhcIegD7QqBS6_qEEjE7BTSLTOYlPPOLE55c/s1600/2015-01-29_235128.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-3YAwT9Qfi7e_M7CtoQqT18ndDRepJHIrL8OfdIxjoaeGd4uKWwrfwM3Ps6be2_lC2xK4BERXiEv4uwNq9nuCgNpTCNOqdeGzisovRxaDhcIegD7QqBS6_qEEjE7BTSLTOYlPPOLE55c/s1600/2015-01-29_235128.jpg" /></a></div>
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這個例子中,第一層的厚度是0.4mm,Z Offset設定為0.4時,可以讓第一層的列印位置抬高到0.8mm的高度。之後的每一層也都會加0.4mm,這樣設定就可以省去調整硬體Z歸零位置的麻煩</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjE4ZWVml_kK2hNLCI7dW2Ohw1AXU2h8lJhleOokeS4t1ZThAiG10yVUmiYC6RS19c71D7-dMLtbE1dGl0KNtm1u3550K-JvcqmZOBwAmggQB1oAfhx3Vt4JveYWjkRSopLqipKuBkEbWk/s1600/2015-01-29_235200.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjE4ZWVml_kK2hNLCI7dW2Ohw1AXU2h8lJhleOokeS4t1ZThAiG10yVUmiYC6RS19c71D7-dMLtbE1dGl0KNtm1u3550K-JvcqmZOBwAmggQB1oAfhx3Vt4JveYWjkRSopLqipKuBkEbWk/s1600/2015-01-29_235200.jpg" /></a></div>
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如果歸零後擠出頭筆檯面高0.6mm,那也許Z Offset就要設定成 "負" 0.6。但是這樣會讓第一層的座標位置也變成負值,可能會需要修改韌體才能正常運作。</div>
<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-25052562903082072442015-01-25T21:42:00.001+08:002015-01-27T21:16:45.030+08:00平整的第一層第一層是整個模型的基礎,如果印得平整,不但美觀加分,也有助於防止翹曲的問題。<br />
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第一層要印得平,需要校正到完美的要點大概就這幾個。<br />
1.擠料量<br />
2.台車水平<br />
3.口紅膠平整且乾燥(膠帶我沒用過)<br />
4.Z歸零點<br />
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這幾個要點幾乎都圍繞著"體積"的問題。要讓第一層的塑料,有恰到好處的空間可以容身,自然能夠印得平整。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvev-l2vKTB1QXzODcqOH9TgAjoZNwoepKIwCTqV65WOlPuntS3pDGqsS24k-30eXOXavjdPCEiWslx9jjSymc-BDvjGB6tn42CkSSqJ1VNJAgfuJ0nZKXff63MtXMyYS1pgCuY502LY4/s1600/DSC_2116.jpg"><img border="0" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvev-l2vKTB1QXzODcqOH9TgAjoZNwoepKIwCTqV65WOlPuntS3pDGqsS24k-30eXOXavjdPCEiWslx9jjSymc-BDvjGB6tn42CkSSqJ1VNJAgfuJ0nZKXff63MtXMyYS1pgCuY502LY4/s1600/DSC_2116.jpg" width="640" /></a></div>
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我手邊最老的機器 Air 2 ,調整得相當不錯,長軸140mm的橢圓,能夠整面都不出現縫隙或是皺紋。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPkVz_5n4hQMz3XOIoIHRQ2ZKHg8arXAzO0Kgyvrxj6qyzhNAPx1lF2FjH2yYY4VGxwGFDxIcmzPKK5na-jZW2_-S67amd1eeJBj-t_HB44IWhQ4Ld0njDI_pq4ES05VTiicNpK5FKVxQ/s1600/DSC_2117.jpg"><img border="0" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPkVz_5n4hQMz3XOIoIHRQ2ZKHg8arXAzO0Kgyvrxj6qyzhNAPx1lF2FjH2yYY4VGxwGFDxIcmzPKK5na-jZW2_-S67amd1eeJBj-t_HB44IWhQ4Ld0njDI_pq4ES05VTiicNpK5FKVxQ/s1600/DSC_2117.jpg" width="640" /></a></div>
<div style="text-align: center;">
擠料量不足、Z軸歸零點太高,都會造成第一層的空間沒有填滿膠而出現縫隙。</div>
<div style="text-align: center;">
另外可以注意到,平面的中間似乎有填滿,兩側則出現縫隙。這是口紅膠中間塗得比較厚,兩邊比較薄造成的。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixqIk7YU6s6x_gx7NkU2oE99V7p47k6tPbc8i-tMZAoXRPlxx-qzfiSWSeWxB7kcXjfVgca8OSu2wKukT59i-DOuGsauu_nHA07UvgpmIplhZ9FILntkV6Y77m1B_TJNponLBobQoBiaA/s1600/DSC_2118.jpg"><img border="0" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixqIk7YU6s6x_gx7NkU2oE99V7p47k6tPbc8i-tMZAoXRPlxx-qzfiSWSeWxB7kcXjfVgca8OSu2wKukT59i-DOuGsauu_nHA07UvgpmIplhZ9FILntkV6Y77m1B_TJNponLBobQoBiaA/s1600/DSC_2118.jpg" width="640" /></a></div>
<div style="text-align: center;">
故意提高擠料量,使得第一層的塑料沒有足夠的空間容身,只好往上溢出,變成坑坑疤疤的皺紋。</div>
<div style="text-align: center;">
Z軸歸零點太低,也會發生相同的問題。</div>
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測試使用的橢圓紙片模型可以在這邊下載:<br />
<a href="http://www.thingiverse.com/thing:651618">http://www.thingiverse.com/thing:651618</a><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfeekcuJMf3rq8rDksrIm5O79Z8hXpC1wzqVUAeH-a4y3Mp6Xkckm86sEiccQ_Xrzihluqm7oZCw3AFKmT1E62DFU6wvtG3ckUmGf0dAxyvp44__LRBKWu_PMNWZn9tI1Hw0g7tgaLQ7E/s1600/a_preview_featured.jpg"><img border="0" height="481" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfeekcuJMf3rq8rDksrIm5O79Z8hXpC1wzqVUAeH-a4y3Mp6Xkckm86sEiccQ_Xrzihluqm7oZCw3AFKmT1E62DFU6wvtG3ckUmGf0dAxyvp44__LRBKWu_PMNWZn9tI1Hw0g7tgaLQ7E/s1600/a_preview_featured.jpg" width="640" /></a><br />
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紙片印得不錯的話,可以考慮來挑戰一下這個燈罩~~<br />
<a href="http://www.thingiverse.com/thing:75582">Jigsaw Puzzle Lamp Shade</a><br />
<a href="http://www.thingiverse.com/thing:75582">http://www.thingiverse.com/thing:75582</a><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBHuW9Narjfgxyb62yDdBq54i_EgcYACWUFYas8SY1G4GtPB1gHijryKVXYkHVuxsV4YhUs6tBEXwqvC44fSar5d5oBYKZ_XQEZqxK3aZY2tlbn3SusrCaPtqYoZvfQa3dzlYh1QGwjaA/s1600/lampada7_preview_featured.jpg"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBHuW9Narjfgxyb62yDdBq54i_EgcYACWUFYas8SY1G4GtPB1gHijryKVXYkHVuxsV4YhUs6tBEXwqvC44fSar5d5oBYKZ_XQEZqxK3aZY2tlbn3SusrCaPtqYoZvfQa3dzlYh1QGwjaA/s1600/lampada7_preview_featured.jpg" width="640" /></a>
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今天要來談談 "額外擠料"。</div>
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印表機為了解決牽絲的問題,多半會使用"倒抽"的技巧。</div>
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但是塑料倒抽之後要再重新開始列印,可能會遇到無法馬上出料的狀況。</div>
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這時候會發現,一圈的起始處都沒有印出來,出現破洞。</div>
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如果擠出頭不順暢,這個現象會更加嚴重。</div>
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這時就需要在線段開始列印之前,"額外給料"了!</div>
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額外給料在 KISSLicer 裡的設定方法,是把"回送 (Prime)"的距離,設定的比"倒抽 (Suck)" 要長。推出去的距離比收回來的長,就會有額外給料的效果了。</div>
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回送:Material -> Destring -> Prime</div>
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倒抽:Material -> Destring -> Suck</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOWt_nRybp4OPMZLFIV4A0kJeg7yGwxxR5pUEaqwZx6u9v9up7yzoBVscqydBTUUyPpwjgwaRReH_aH77faUyrIbzW_AKHIV1Z9IWGDci_FMrfT54miH_9rrB3UwfMtqdlTU07sN-qJIs/s1600/2015-01-23_153436.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOWt_nRybp4OPMZLFIV4A0kJeg7yGwxxR5pUEaqwZx6u9v9up7yzoBVscqydBTUUyPpwjgwaRReH_aH77faUyrIbzW_AKHIV1Z9IWGDci_FMrfT54miH_9rrB3UwfMtqdlTU07sN-qJIs/s1600/2015-01-23_153436.png" /></a></div>
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在 Slic3r 的設定方式,是直接設定額外給料(Extra length on restart)的距離。設定正值,會額外給料,負值就會反過來少給囉~</div>
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額外給料:Printer Settings -> Extruder X -> Retraction -> Extra length on restart</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUbaCj1LED49x-k-_3S-aoj06SzdMp3spts1IqjFkWu3K-OZoC3-YVpDyMdmVH04hr-ugiR8OIvtLuxqROXCZ1vgVDiHx99aiDU4l8aRyqrWKF_mndS4jtk6TpAwb8eZIzUyW-kel-Dqs/s1600/2015-01-23_153305.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUbaCj1LED49x-k-_3S-aoj06SzdMp3spts1IqjFkWu3K-OZoC3-YVpDyMdmVH04hr-ugiR8OIvtLuxqROXCZ1vgVDiHx99aiDU4l8aRyqrWKF_mndS4jtk6TpAwb8eZIzUyW-kel-Dqs/s1600/2015-01-23_153305.png" /></a></div>
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為了測試這個設定是否確實有效,特別設計了一個厚度只有0.4mm的列印件,來觀察擠出頭是不是可以在線段的最開始處,就順利得供料。</div>
模型下載網址:<a href="http://www.thingiverse.com/thing:648408" target="_blank">http://www.thingiverse.com/thing:648408</a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzxScaQtwleNjtCU0Da9JjFM5JayiIYLSSic-A8QjimGeuhVB3TczMvnwBdF4xBn8g2_G-OgmlNFQIj2fc-G-PEA9hj4VYN9Q7cET6MI66tYpBefP9nKuBrAFO3O54HbAvQsvaqrpUDpo/s1600/line_test3_preview_featured.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzxScaQtwleNjtCU0Da9JjFM5JayiIYLSSic-A8QjimGeuhVB3TczMvnwBdF4xBn8g2_G-OgmlNFQIj2fc-G-PEA9hj4VYN9Q7cET6MI66tYpBefP9nKuBrAFO3O54HbAvQsvaqrpUDpo/s1600/line_test3_preview_featured.jpg" /></a></div>
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這次測試,特別使用熱騰騰的 "<b>ATOM 2.0升級套件版</b>" 來擔綱演出。其實用ATOM 2.0 做示範,不怎麼合適,因為全新設計的噴頭,不用特別增加額外給料,就能順利把薄牆砌得不錯。為了模擬不夠及時出料的現象,還特別設定成擠料不足的狀況,印一個樣品出來。</div>
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切片軟體使用KISSLicer 1.1.0.14</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilXM7nLxdCoHXxYwBFmyuVQzJy2b-OKP71k5ytrzlj6-mphOUaulGqc7dGT9uyWLNcdvaqhBp6MC-msRnm7rhKokYFojCi_qnxpH0Qt5AR2QAZZqrKp7yDJa9qN7g3-esYQ7ILmgO6JDg/s1600/2015-01-23+11.20.51.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilXM7nLxdCoHXxYwBFmyuVQzJy2b-OKP71k5ytrzlj6-mphOUaulGqc7dGT9uyWLNcdvaqhBp6MC-msRnm7rhKokYFojCi_qnxpH0Qt5AR2QAZZqrKp7yDJa9qN7g3-esYQ7ILmgO6JDg/s1600/2015-01-23+11.20.51.jpg" height="362" width="640" /></a></div>
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中間的薄牆,是由"由左而右"的線條堆砌出來的。所以我們要特別注意觀察左側的牆壁邊緣是否列印得很完美。這個模型是在回送比倒抽多0.1mm的條件下列印,整個牆面很漂亮,左側邊緣平直,縫隙也垂直無誤差。ATOM 2.0 完美演出。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2tSvRpZOx72Z9kU2dg-5m7pPCwX2vlkEPuvEnzc61lFe4n287FRjKOFkJnUu8uWwRBEgwHQ4JwDd5C-k6cPelC2GyKQny3K0gOF7W0MN-vs4J7mbiSFtkPVIW5Gwk2QBPHKwd4Mcg9Tw/s1600/2015-01-23+11.21.08.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2tSvRpZOx72Z9kU2dg-5m7pPCwX2vlkEPuvEnzc61lFe4n287FRjKOFkJnUu8uWwRBEgwHQ4JwDd5C-k6cPelC2GyKQny3K0gOF7W0MN-vs4J7mbiSFtkPVIW5Gwk2QBPHKwd4Mcg9Tw/s1600/2015-01-23+11.21.08.jpg" height="362" width="640" /></a></div>
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回送比倒抽多1.5mm的條件下列印。薄牆左側邊緣雖然有平,沒有出現鋸齒狀,但是線段開頭處的線寬比應有的寬度寬,垂直線也有點往左邊傾斜的現象,縫隙變窄。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi754T1zjTQUIX9HBez0ddjKXA-jJ-OG-1llR-uZswWM2nOwvyqblWEFdkBhq-XKjNKPegmtB3c9pcouakTPLkCzn0HYyEoKIHnJDHtHk_u1rr37_QSMtOsFXdW5U8b2JOJ5ecAyaZuP-M/s1600/2015-01-23+11.21.20.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi754T1zjTQUIX9HBez0ddjKXA-jJ-OG-1llR-uZswWM2nOwvyqblWEFdkBhq-XKjNKPegmtB3c9pcouakTPLkCzn0HYyEoKIHnJDHtHk_u1rr37_QSMtOsFXdW5U8b2JOJ5ecAyaZuP-M/s1600/2015-01-23+11.21.20.jpg" height="362" width="640" /></a></div>
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故意讓回送比倒抽少2mm的測試。薄牆左側出現無法立即給料所產生的空洞,側緣出現鋸齒線條,縫隙也變大。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaMvQbvRvt5_6f1A3jG2gZsZ3Ru0ZbQJhNYNpHUjEwKNBUZWPeeFl5epGcxGWg9XekWSjpi2ficqovZ_5kAkm1fP7YAETPDrJ5IrCgnS7QXGzI27oR_5wapPnaMXM5Q7IGxgctTBqkIZE/s1600/2015-01-23+11.21.41.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaMvQbvRvt5_6f1A3jG2gZsZ3Ru0ZbQJhNYNpHUjEwKNBUZWPeeFl5epGcxGWg9XekWSjpi2ficqovZ_5kAkm1fP7YAETPDrJ5IrCgnS7QXGzI27oR_5wapPnaMXM5Q7IGxgctTBqkIZE/s1600/2015-01-23+11.21.41.jpg" height="362" width="640" /></a></div>
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這個模型是使用 RigidBot 印的。這台機器喉管散熱的部分效果不確實,所以擠出頭不怎麼順暢,薄牆左側的邊緣,很難不產生鋸齒的問題。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2znPmK2xH3VUjwx6vG9yrNSFBcK3G7y7CrnXuSTz40aGhM545nhQmlFfwKEdoYWBwbxvD02R6dCb8AXfAqLYQpQdXqkqUk6hCbGs21W49QzjpOYfoH7smshWfzxeN1-7htLGxJHveKj0/s1600/2015-01-23+11.22.39.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2znPmK2xH3VUjwx6vG9yrNSFBcK3G7y7CrnXuSTz40aGhM545nhQmlFfwKEdoYWBwbxvD02R6dCb8AXfAqLYQpQdXqkqUk6hCbGs21W49QzjpOYfoH7smshWfzxeN1-7htLGxJHveKj0/s1600/2015-01-23+11.22.39.jpg" height="362" width="640" /></a></div>
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這個模型還可以順便拿來驗證擠料量是否調整得宜。測量薄牆的厚度,如果厚度與模型設計時給訂的0.4mm相近,那代表擠出量調整得相當精準。ATOM 2.0 正常擠料量列印,測得的厚度為0.42mm。也許我可以再稍微減一點擠料量。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOFgSwmAcVcMszAblPPubE5gF6Fjy9KbZ3wl9TrxfjDB5OC2lhyqGDah7EqDk_lciR_i5qSEbEtD8MVf1Oo1F-0TvDr0ggUeTCkBQHHX7O2BIgNK4YPpypoubXw1jZUY9Cm6J9Q0qWiSk/s1600/2015-01-23+11.22.58.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOFgSwmAcVcMszAblPPubE5gF6Fjy9KbZ3wl9TrxfjDB5OC2lhyqGDah7EqDk_lciR_i5qSEbEtD8MVf1Oo1F-0TvDr0ggUeTCkBQHHX7O2BIgNK4YPpypoubXw1jZUY9Cm6J9Q0qWiSk/s1600/2015-01-23+11.22.58.jpg" height="362" width="640" /></a></div>
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故意把擠料量調整成120%,壁厚爆增到0.67mm。</div>
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如果擠出頭很不順暢,額外擠料也不見得能夠讓列印變得完美,主要還是得要在<a href="http://diy3dprint.blogspot.tw/2014/01/blog-post.html" target="_blank">喉管的散熱</a>、<a href="http://diy3dprint.blogspot.com/2013/08/marlin.html" target="_blank">列印溫度穩定</a> (<a href="http://diy3dprint.blogspot.tw/2014/08/pid.html" target="_blank">PID控制動手玩玩看</a>)、<a href="http://diy3dprint.blogspot.tw/2013/12/g-code.html" target="_blank">列印溫度測試</a>這幾個項目上下功夫。最後吐料剩一點點不夠及時,才用額外擠料來補救。<br />
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最後祝大家都能印得精準漂亮~~<br />
<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com5tag:blogger.com,1999:blog-2315752776686485714.post-57531354442985642682015-01-23T17:39:00.004+08:002015-01-23T17:39:46.955+08:003D 列印 沙鈴<div class="separator" style="clear: both; text-align: left;">
設計了個雙頭的沙鈴,可以避免嬰兒把沙鈴柄戳進嘴巴裡。</div>
列印過程中丟入些小石頭,印完之後搖晃就會有聲音囉~<br />
可以來這邊下載:<a href="http://www.thingiverse.com/thing:648633">http://www.thingiverse.com/thing:648633</a><br />
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/55aejdtRPOE?feature=player_embedded' frameborder='0'></iframe></div>
陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-86762176469366507732014-12-17T16:24:00.001+08:002014-12-17T16:24:10.513+08:00牽絲是怎麼回事<br />
<ul>
<li>回抽距離太短,噴嘴尖端沒有負壓。待噴頭抬起,塑料就從噴頭溢出。</li>
<li>回抽距離剛好,噴嘴尖端產生負壓。待噴嘴抬起,外面的空氣就會擠壓塑料,把料推回噴頭內。這樣就不會牽絲了!!</li>
<li>回抽距離過長,空氣從冷端灌入,結果噴嘴尖端沒有產生負壓,結果跟沒回抽一樣,待噴頭抬起,塑料就從噴頭溢出。</li>
<li>如果是遠端送料的結構,還要考慮鐵氟龍管跟塑料之間的間隙,會減少擠出頭端實際回抽的長度。</li>
</ul>
不好意思,發文沒付圖。陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com7tag:blogger.com,1999:blog-2315752776686485714.post-26229135175350739992014-12-09T15:30:00.003+08:002015-01-06T10:13:58.598+08:00拆卸列印件的方法這是我個人的方法,不是一定要照我這樣做。不過我這個方法相當安全,提供給大家參考。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpxk9ofbFOnNpWpniNooZAPc1R0LP9w4Sours7Vrr_68Ia3sP1L4p61F4n1vU7_wpoA05VtH3jg4w-hiKhELlh0S3n6_j5DRQbg65C4dSaYrXRDw0mgrTRY8MyYeFrSJpl2HunNBzfzW4/s1600/2014-11-05+13.40.04.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpxk9ofbFOnNpWpniNooZAPc1R0LP9w4Sours7Vrr_68Ia3sP1L4p61F4n1vU7_wpoA05VtH3jg4w-hiKhELlh0S3n6_j5DRQbg65C4dSaYrXRDw0mgrTRY8MyYeFrSJpl2HunNBzfzW4/s1600/2014-11-05+13.40.04.jpg" height="400" width="400" /></a></div>
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從玻璃板背後,吹熱風。一直加熱到列印件底部也受熱。利用玻璃與列印件熱膨脹係數不同的特性,讓列印件不再黏的那麼牢。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEie_e0gB9tZLxP269K7IuGOEvPJWqnf3QsItwEHnNWix4hSSwo5IqW3sDJ_v7rhwOC3uVuKMZeYcg5qaDHriPKLDLm13x1c0lQL01h4sH5YQ_GDbTRDbM9Iha-9-Z0016cd9ZpkSNZCmGg/s1600/2014-11-05+13.39.23.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEie_e0gB9tZLxP269K7IuGOEvPJWqnf3QsItwEHnNWix4hSSwo5IqW3sDJ_v7rhwOC3uVuKMZeYcg5qaDHriPKLDLm13x1c0lQL01h4sH5YQ_GDbTRDbM9Iha-9-Z0016cd9ZpkSNZCmGg/s1600/2014-11-05+13.39.23.jpg" height="400" width="400" /></a></div>
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玻璃翻回正面,一側靠牆,油漆鏟刀從另一側下刀。這樣施力才能完全用於鏟起工件,施力方向也不會朝向自己的另外一隻手,避免刀具傷到手的意外。可以旋轉玻璃,從四個方向慢慢推進鏟刀。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCtIljMjhVOE73XpMER6t_mM9OGeYVo3in08u1N4aDSoRk4OdWWE2GuqNhiLM54Cr7xfbC1TJblZco62FPH3akppHDV0GnA4MVJe16ZbXGqO3uNZQrLDK1YmALtnVq1Wl78mQMzVNP4Mw/s1600/IMAG1736.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCtIljMjhVOE73XpMER6t_mM9OGeYVo3in08u1N4aDSoRk4OdWWE2GuqNhiLM54Cr7xfbC1TJblZco62FPH3akppHDV0GnA4MVJe16ZbXGqO3uNZQrLDK1YmALtnVq1Wl78mQMzVNP4Mw/s1600/IMAG1736.jpg" height="400" width="400" /></a></div>
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漆刀在一般的家庭五金行可以找到,<a href="http://search.ruten.com.tw/search/s000.php?searchfrom=headbar&k=%BA%A3%A4M">要不然也可以上拍賣找找</a>。</div>
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漆刀的刀刃可以把磨銳利的那面,再磨的更銳利,以便切入工件的最底部。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgElo24VkzE7hKJJhrxInlO_fJjdNweZ4IBRHXxFJqW1FnRYvQYgbFjwntdMMIbHOzVHJHXNATV7l8XqMEpuDgw7UIaYyOsuUQdEFTv3BRr7iy1Ts-UCHG_qGnaeUS9qLBNH34NDATVjjY/s1600/DSC00520.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgElo24VkzE7hKJJhrxInlO_fJjdNweZ4IBRHXxFJqW1FnRYvQYgbFjwntdMMIbHOzVHJHXNATV7l8XqMEpuDgw7UIaYyOsuUQdEFTv3BRr7iy1Ts-UCHG_qGnaeUS9qLBNH34NDATVjjY/s1600/DSC00520.JPG" height="213" width="320" /></a></div>
<div style="text-align: center;">
朗朗設計也提供了另一個很厲害的<strike><span style="color: #666666;">拖磨</span></strike>脫模辦法,大家也該花點時間看看裡面的示範影片!!</div>
<div style="text-align: center;">
<a href="http://lunglungdesign.blogspot.tw/2015/01/blog-post.html">拆卸列印件的方法之二(影片)</a></div>
陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com4tag:blogger.com,1999:blog-2315752776686485714.post-64752010076532124642014-12-01T11:49:00.002+08:002015-01-20T14:04:45.451+08:00ATOM 2.0 DEMO新的ATOM 2.0,重新設計了幾個一代還沒做到完美的部分。<br />
改進的項目很多,最重要的改進,應該就屬這三張照片拍到的部分:<br />
<br />
1.全CNC削切的金屬擠出機<br />
<br />
2.整個重新設計過的擠料頭。包括中央飛艇輕量化結構、擠出頭位置偵測機構、擠出頭散熱風扇、工件散熱風扇、全新設計的噴嘴、鈦合金侯管。精度更高的關節球、懸臂改用碳纖維管。<br />
<br />
3. CNC銷切的CART,加上新加入的皮帶鬆緊微調機構。<br />
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另外LCD外罩以及旋鈕也是重新設計過的。原本料架使用列印件的部分也升級成金屬的。<br />
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升級套件啊到底什麼時候才能到貨? 口水都流滿地了!!<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjn6JsR2eyGZPwrSzsoTCChNG_CNBgzYWKD2t5WAB0SO6tDZ9-Ar4CJb5FmI4sphhdnuylL4yDV8IFWfJTZvh2v56VtfE0U7lBFhw_6jgdcwGs_iWwI_JFAQjk88eAtgEpQR6RcZwHjZ3w/s1600/2014-11-30+11.48.02.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjn6JsR2eyGZPwrSzsoTCChNG_CNBgzYWKD2t5WAB0SO6tDZ9-Ar4CJb5FmI4sphhdnuylL4yDV8IFWfJTZvh2v56VtfE0U7lBFhw_6jgdcwGs_iWwI_JFAQjk88eAtgEpQR6RcZwHjZ3w/s1600/2014-11-30+11.48.02.jpg" height="362" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhoUXzh4KltXPcH-a6NrGl7P8MC73eQhPKQgVoM_Ul6N_fAoTbi6ZA5cyrOIHhvVx8A4wdJGmrE-lJ6fUHrZkdYC-qhyphenhyphen7uu99cK8EbTUiFjcNuZBYYK9CYwmDtL7DWTux8Mbun1jibYJYA/s1600/2014-11-30+11.48.16.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhoUXzh4KltXPcH-a6NrGl7P8MC73eQhPKQgVoM_Ul6N_fAoTbi6ZA5cyrOIHhvVx8A4wdJGmrE-lJ6fUHrZkdYC-qhyphenhyphen7uu99cK8EbTUiFjcNuZBYYK9CYwmDtL7DWTux8Mbun1jibYJYA/s1600/2014-11-30+11.48.16.jpg" height="362" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJx243SgYXtDCDkm7xdYE3LlDMN4ey93sjzBvJ_cc_p3g6MCIC5G6HIKhPUm4jL9QkMLX8GNFj3TVrx21Z78PVH7ZMovkm_aUOKFcDmmEv03LNtHKjjr9QZYU0CuRFamsrggPKc1e-iw0/s1600/2014-11-30+11.48.26.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJx243SgYXtDCDkm7xdYE3LlDMN4ey93sjzBvJ_cc_p3g6MCIC5G6HIKhPUm4jL9QkMLX8GNFj3TVrx21Z78PVH7ZMovkm_aUOKFcDmmEv03LNtHKjjr9QZYU0CuRFamsrggPKc1e-iw0/s1600/2014-11-30+11.48.26.jpg" height="362" width="640" /></a></div>
<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-49952189623880159202014-11-20T18:24:00.001+08:002017-12-28T22:35:10.649+08:00SketchUp 輸出 STL1.下載外掛軟體<br />
<a href="https://www.dropbox.com/s/hwo70kbt3cxe3lo/su2stl.rbs?dl=0">su2stl.rbs</a><br />
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2.<br />
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<ul>
<li>如果是2013之前的版本,將 su2stl.rbs 複製到 C:\Program Files\Google\Google SketchUp 8\Plugins</li>
<li>如果裝了2014/2015的版本, su2stl要丟到"C:\Users\YOUR USERNAME\AppData\Roaming\SketchUp\SketchUp 2015\SketchUp\Plugins"這個位置去</li>
</ul>
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3. 重新啟動 SketchUp<br />
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4. 選取要輸出的模型,然後點選 "外掛程式 -> Export STL file<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQ-9t8I_90zRH69Tw9weYFK5alhy3HJw7pR0-AycdZEqm9z4K4SPJUROFf5RftmMBhafSJUkzvM59Wkx07PtlHD2YoTb2gcvhg3jD_OnUVoe57N-HMyLG7w20ILkvD331DS177IonZiYY/s1600/2014-11-20_181324.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="102" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQ-9t8I_90zRH69Tw9weYFK5alhy3HJw7pR0-AycdZEqm9z4K4SPJUROFf5RftmMBhafSJUkzvM59Wkx07PtlHD2YoTb2gcvhg3jD_OnUVoe57N-HMyLG7w20ILkvD331DS177IonZiYY/s1600/2014-11-20_181324.png" width="320" /></a></div>
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5. 選擇 Millimeters (mm) 為長度單位。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU1ERTJayOlqU-spZi5Awhw6Uelxom8_I0FPCd6tB_M1LinDdDWNIEXvtYfjTtnu-DHlNQV_BdWzi845qR7dbDuEYmZeMcQylABdYsl6QW5j_vtGUA0E7CgL1mLflY9_EQqSU4y7gpYEo/s1600/2014-11-20_181405.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU1ERTJayOlqU-spZi5Awhw6Uelxom8_I0FPCd6tB_M1LinDdDWNIEXvtYfjTtnu-DHlNQV_BdWzi845qR7dbDuEYmZeMcQylABdYsl6QW5j_vtGUA0E7CgL1mLflY9_EQqSU4y7gpYEo/s1600/2014-11-20_181405.png" /></a></div>
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6. 儲存檔案。注意整個存檔路徑,還有檔名,都必須是英文的。陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-9224578403368852382014-10-20T11:20:00.003+08:002014-12-24T16:08:50.115+08:00不要弄傷自己!!玩3D印表機,有幾個容易弄傷自己的操作過程。<br />
拜託千萬要牢記這邊的安全提醒,不要再有人因為方法錯誤而受傷了!!<br />
<br />
1. 從玻璃上拆卸列印件<br />
2. 逼緊束帶<br />
3. 操作還沒降溫的加熱頭<br />
<br />
這三個動作最常發生意外,請大家特別注意。<br />
<br />
<h4>
1. 從玻璃上拆卸列印件</h4>
因機器而異,有些人覺得列印件很容易拆卸,用美工刀就能輕鬆完成。但是美工刀的刀片是非常容易破裂的,當工件黏得比較緊時,美工刀絕對會斷裂,而且亂噴。因而受傷的網友不計其數。<br />
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拜託千萬不要再使用美工刀來拆卸列印件了!!!<br />
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<a href="http://diy3dprint.blogspot.tw/2014/12/blog-post.html">筆者建議得拆卸方式,請參考這篇~</a><br />
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<h4>
2. 逼緊束帶</h4>
逼緊束帶也是個非常恐怖的步驟。大家很直覺得會使用自己的手指頭去拉扯束帶,甚至使用指甲去頂束帶頭,而且非常用力。這時只要方向稍微偏差,力量就會朝錯誤的方向拉開。這樣會導致指甲被整片掀起。非常恐怖,有兩位網友跟我報告過自己發生了這樣的意外。<br />
<br />
拜託,逼緊束帶時,請用兩之尖嘴鉗進行操作。<br />
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<h4>
3. 操作還沒降溫的加熱頭</h4>
這應該不用解釋,大家就可以想像會發生什麼事。沒錯,就是手指頭會燙傷。發生這意外的網友為數者眾,雖然大多不會太嚴重,不過能預防還是最好。如果有需要操作加熱中的擠出頭,請務必戴手套。不要很有自信的認為自己會記得使用鉗子去夾擠出頭,但是總是會在情急之下/腦袋不清楚時,不自覺的用手去摸擠出頭。燙傷是很痛的!!<br />
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工作手套請乖乖戴上!!<br />
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<br />
需要貼<a href="https://www.facebook.com/photo.php?fbid=716864285051075&set=gm.754236281280633&type=1">照片</a>來讓大家心理有所警惕嗎??讓我再想想...陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com0tag:blogger.com,1999:blog-2315752776686485714.post-19206082847077798132014-10-14T14:51:00.001+08:002015-05-29T09:51:30.412+08:00擠出機步進馬達的 Steps per Unit 該如何計算?這邊 Steps per Unit 指的是塑料往前推進1mm,步進馬達須要走幾步。依此定義,可知計算方式可以用<span style="text-align: center;">「步進馬達轉一圈需要的步數 除以 步進馬達轉一圈塑料往前推的距離」</span>來求解。<br />
<div style="text-align: left;">
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<div style="text-align: left;">
步進馬達轉一圈需要的步數這樣算:</div>
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<div style="text-align: center;">
(360/馬達一步走幾度)*微步進細分數</div>
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<br /></div>
<div style="text-align: left;">
馬達轉一圈塑料前進的距離這樣算:</div>
<div style="text-align: left;">
<br /></div>
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2 * pi * (送料齒輪半徑 + 塑料半徑 - 齒痕深度)</div>
陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com3tag:blogger.com,1999:blog-2315752776686485714.post-67173119181095666972014-08-04T16:14:00.000+08:002017-11-30T09:36:31.177+08:00PID控制動手玩玩看<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjl-aSSe30QAELo5qEhnq6HcVmyGs-9e-FRv5nRvLkmoNUFH8mfvTTeyndQThEuzII7Vy71hSunrN1f_1qYi4aqJQpd-W5SGRcseF7UGldHI8sgPx3-zsdhlyGmeKpLGzFmpZLp1j7LtX8/s1600/2014-08-04_142851.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="244" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjl-aSSe30QAELo5qEhnq6HcVmyGs-9e-FRv5nRvLkmoNUFH8mfvTTeyndQThEuzII7Vy71hSunrN1f_1qYi4aqJQpd-W5SGRcseF7UGldHI8sgPx3-zsdhlyGmeKpLGzFmpZLp1j7LtX8/s1600/2014-08-04_142851.png" width="640" /></a></div>
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PID三個參數到底該怎麼調才好,真的是一門藝術。<br />
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雖然在Marlin韌體內有提供自動測量的功能,但是測得的結果,不見得能令人滿意,還是需要調整。可是到底該怎麼調整?從哪個參數開始動手?數值該增加還是該減小?會不會調整了這個,又需要回頭調整上一個?整個調整過程實在是亂七八糟,不容易理出頭緒。在加上實驗需要時間,可是有一直找不出最佳參數,實在有夠累人。<br />
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今天我不曉得是哪根筋不對,突然想說可以用excel模擬PID溫度控制,這樣就可以很快得得到實驗結果,增加調整PID參數的經驗。雖然沒辦法直接透過模擬獲得擠出頭加熱需要的PID參數,但是至少可以熟悉調整PID參數對溫度控制的影響。<br />
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<a href="https://docs.google.com/spreadsheets/d/1cOaNU_DtlNP6WGyjDUjhat-mthct8LDLt55_wd2KiMQ/edit?usp=sharing">下載excel並且開啟後</a>,可以看到左上角有可調整的參數,中間是模擬過程,右邊有兩個模擬結果的圖表。模擬參數分成兩組,前面幾項是環境變數,最後三項是PID值。<br />
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<b>受熱物比熱</b>:每公克的受熱物值,需要多少卡的熱量,能上升1℃。水的比熱為1(卡/公克-℃)<br />
<b>受熱物質量</b>:(這不用解釋吧...)<br />
<b>初始溫度</b>:(這不用解釋吧...)<br />
<b>環境溫度</b>:(這不用解釋吧...)<br />
<b>目標溫度</b>:(這不用解釋吧...)<br />
<b>散熱常數</b>:跟受熱物散熱速度相關的常數。系統散失的熱量,我這邊用 (當下溫度 - 環境溫度 ) x 散熱常數來模擬計算。散熱常數越大,系統散失熱量的速度就越快;系統溫度跟環境溫度差異越大,散失熱量也越快。<br />
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<b>PID</b>:分別是比例控制常數、機分控制常數、微分控制常數。<br />
系統熱量供應:這邊相對應於加熱棒輸出多少百分比的功率。這邊"系統熱量供應"的模擬計算公式如下:<br />
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"這次的"系統熱量供應 =<br />
P x 這次取樣的溫度誤差 +<br />
I x 從系統開始以來每次取樣的溫度誤差總和 +<br />
D x (上次取樣的溫度誤差 - 這次取樣的溫度誤差)<br />
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<b>P</b>:比例控制常數。誤差值乘上P值,再加回系統熱量供應。<br />
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如果只有P,I跟D都設為零時,我覺得可以把他比喻成開車的時候,油門只會"直接"踩到某個定值,或是完全放掉。不會微調油門的力道。理論上只用比例控制,仍然可以讓溫度控制在目標溫度附近,但是震盪的狀況會比較嚴重。就像司機開車,總是猛踩油門,又猛踩剎車,車子會跑,速度也有,只是乘客會暈到死...<br />
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<b>D</b>:微分控制常數。溫度誤差對時間的曲線圖,是一個二維曲線。而對二維曲線微分的幾何意義,則是斜率。所以微分控制,實做上是取上一次採樣與這一次採樣的溫度誤差相減,再除以兩次採樣的時間間隔,算出斜率。用斜率乘上D,再加回系統熱量供應。<br />
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D值的效果,我會把他比喻成"提早減速"。當車子的速度接近司機想要維持的速度,速度還沒超過之前,有經驗的司機就會開始預先減小油門。不要等速度衝過頭再來踩剎車,減少車子加速減速的震盪,讓乘客舒適不暈車。不過該提早多少時間開始減速、該減多少速度不要減過頭或是減太少,就要靠D值的大小來調整了。<br />
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加入D "微分控制",可以讓系統較快穩定得達到目標溫度。</div>
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合適的D值,能讓溫度快速又穩定得恆定在目標溫度,而且沒有衝過頭的問題。</div>
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D值過大,提早剎車煞的力道多了,反而會讓系統不穩定得震盪。</div>
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再繼續加大D值,甚至會讓控制結果發散不能收斂到目標溫度。</div>
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<b>I</b>:積分控制常數。積分在這邊的概念,是把過去所有的誤差加總起來。積分控制當然就是拿積分控制常數乘以過去所有誤差的加總,,再加回系統熱量供應。<br />
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積分控制多用來校正穩態誤差。當溫度穩定下來之後,溫度離目標溫度仍然有些微的誤差,這就是"穩態誤差"。如果為了穩態誤差而調整P值,整個系統的穩定度會大受影響。積分控制靠累積穩態誤差,讓這個誤差的效應因累積而放大,再乘以機分控制常數,就可以消彌穩態誤差。<br />
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以上是我對PID控制的一些想法。特別注意我介紹的時候,順序是PDI,用意就是建議大家調整的時候,可以先來回調整P、D這兩個常數(I歸零),覺得系統穩定、滿意了,再針對"穩態誤差"來調整 I 積分控制常數。<br />
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修改受熱物的質量、比熱,可以觀察受熱系統熱含對PID控制的影響。修改散熱常數,則可以觀察系統散熱情況(多加了風扇吹喉管),對系統穩定的影響。透過模擬實驗,多改幾組環境,並且調出相對應的PID值,應該可以更熟悉PID控制這門藝術~<br />
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<h2>
參考資料</h2>
<a href="http://www.yuyou.com.tw/article.asp?sn=68">關於PID的認識與討論?</a><br />
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<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com3tag:blogger.com,1999:blog-2315752776686485714.post-34295209377445883212014-07-02T10:14:00.000+08:002014-07-02T10:14:23.869+08:00台車皮帶打緊<div class="separator" style="clear: both; text-align: center;">
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重新繪製了皮帶台車,並且加入皮帶打緊的機構。用兩隻M3螺絲釘來調整皮帶的鬆緊程度。這樣的調整方法比之前使用的束帶打緊要容易控制得多,也消除了束帶帶有彈性的問題。<br />
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下載連結:<a href="http://www.thingiverse.com/thing:381577">http://www.thingiverse.com/thing:381577</a><br />
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<h4>
ATOM 相關資訊</h4>
<a href="http://atom3dp.com/#intro">http://atom3dp.com/#intro</a><br /><a href="http://www.simplyalt.com/atom/">http://www.simplyalt.com/atom/</a><br /><br /><br />
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<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com1tag:blogger.com,1999:blog-2315752776686485714.post-63228062314282760242014-05-09T16:30:00.000+08:002014-05-09T16:34:47.474+08:00KISSlicer 列印支架設定<div class="separator" style="clear: both; text-align: left;">
到目前為止,支架還是用KISSlicer的效果比較好,可調的參數也比較容易掌握。這邊解釋一下各個參數的意義,希望可以幫助大家掌握支架的設定。</div>
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為了顯現支架的特性,畫了一個兩個半圓相接的模型。</div>
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開啟Support標籤頁</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpgaFFHJTmwM4wnSqdfcHyVIx2Pnsm-g6OVTkqUxf9JT9QgbOXh8nFRZYcXWS46k54IEQ4rk2tJo2XQ3TKVUley9B7kXR2b3GQBaIIq7EtaTafzcOt3oWcaX-Ro6dfWYnvdW0YJWkcF-o/s1600/2014-05-09_141122.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpgaFFHJTmwM4wnSqdfcHyVIx2Pnsm-g6OVTkqUxf9JT9QgbOXh8nFRZYcXWS46k54IEQ4rk2tJo2XQ3TKVUley9B7kXR2b3GQBaIIq7EtaTafzcOt3oWcaX-Ro6dfWYnvdW0YJWkcF-o/s1600/2014-05-09_141122.png" height="316" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggRZmWjVDuHZWHP7aml0So5N5yVShphQ-JWA7DfLsHsq6dhlb5W-ryYcw6kBGgA6itS0ZiZY30VJShZ4R46YHv_1J0vrugVnC6J48enaFuYthIgi76_iNysxJKfPwcuy_Gk4ytYbcWas0/s1600/2014-05-09_141204.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggRZmWjVDuHZWHP7aml0So5N5yVShphQ-JWA7DfLsHsq6dhlb5W-ryYcw6kBGgA6itS0ZiZY30VJShZ4R46YHv_1J0vrugVnC6J48enaFuYthIgi76_iNysxJKfPwcuy_Gk4ytYbcWas0/s1600/2014-05-09_141204.png" height="400" width="640" /></a></div>
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拉動 Off / On 拉桿,啟動最基本的 Coarse "粗" 支撐。</div>
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按下Slice按鈕完成切片後,再選擇左上附近的 "Models+Paths"檢視模式,就可以預覽切片的結果。</div>
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在黑色預覽視窗的上面跟右邊,各有一支拉桿,可以用來調整預覽內容。右邊的拉桿是用來檢視單層的切片結果,如果拉到最底下,可以秀出整個模型的切片結果。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGCuDkAfA-IhUxFrtX8bsebFHHtjffUhxqzLCQN4DqXijZ6f1pduYdUtYPUMqu0RFCThF41-xErIBerS8P1ISkag5HE-e4Qoycahvd4050bMxUzXcMzqTFR7MajGUsbLPRB4AthrK7978/s1600/2014-05-09_141246.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGCuDkAfA-IhUxFrtX8bsebFHHtjffUhxqzLCQN4DqXijZ6f1pduYdUtYPUMqu0RFCThF41-xErIBerS8P1ISkag5HE-e4Qoycahvd4050bMxUzXcMzqTFR7MajGUsbLPRB4AthrK7978/s1600/2014-05-09_141246.png" height="282" width="640" /></a></div>
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自動產生出來的支架,分成三個部分。最底下有一層棧板,用意是要讓更高層的支架有良好的基礎,避免倒塌。再往上,會有粗支架。還沒接近需要支撐的模型之前,可以紙列印粗支架,減少列印得時間以及支架所消耗的塑料量。最上面與模型接觸的部分,會列印細支架。細支架需要兼顧支撐力量,以及拆除時的難易程度。不過係支架的密度,並沒有開放參數以供調整。拆除的難易程度,主要依靠"間隙(Gap)"參數來調整。</div>
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調整右側拉桿,可以檢視單層的列印路徑。可以觀察圖中間粗支架的形狀,以及右側細支架的狀況。</div>
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<h2>
Support deg 支架角度</h2>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTOlemlLmPfZ51pJGW_pX1QERkNmb5LVPgARWwMIvs39RkQSmaPlhpdatuI46SQGYXggx7aagKoGmiElR8ma8e6Pw3z4q8033OQ_oAnM1r6ctGeSnt0PG8oXV3iKIbPm4VLFrZoRrfR6w/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTOlemlLmPfZ51pJGW_pX1QERkNmb5LVPgARWwMIvs39RkQSmaPlhpdatuI46SQGYXggx7aagKoGmiElR8ma8e6Pw3z4q8033OQ_oAnM1r6ctGeSnt0PG8oXV3iKIbPm4VLFrZoRrfR6w/s1600/%E6%9C%AA%E5%91%BD%E5%90%8D.png" height="153" width="320" /></a></div>
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下緣切線與水平線的夾角</div>
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這邊的角度指的是模型下緣切線,與水平線所夾的銳角度。角度大於設定值的部分,就會產生支架。所以角度設越小,產生支架的範圍就會越大。理論上,越接近水平的部分,會越需要支架,但是角度要設定多少,才會剛好能順利列印,又能盡量減少支架的面積,還是需要各自做實驗才能知道。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1qkb-oPhYzJ_BNXAOf-QNDOVIokRJfpQiRfAJ-lTBb6qHK8AunUgMnibZrTk2jk_-0KNbfPynrFscKhvf6Y1Cm_K403-mfIMN8LvG8R1Vv35zMuXD-IR-0scRg_CshDzP0ehCbyyfvAo/s1600/2014-05-09_141438.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1qkb-oPhYzJ_BNXAOf-QNDOVIokRJfpQiRfAJ-lTBb6qHK8AunUgMnibZrTk2jk_-0KNbfPynrFscKhvf6Y1Cm_K403-mfIMN8LvG8R1Vv35zMuXD-IR-0scRg_CshDzP0ehCbyyfvAo/s1600/2014-05-09_141438.png" height="282" width="640" /></a></div>
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0度</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0KqBR3hQK7A3Zf2NFfiCtXPyxwGCc7CIqDjlNHjFgjq4-ma6V30wSXOlYiSl5S1ZyI0qzN_ufCPLZB9UqGtRCeXxt7HUGySrqySbYDbjB2P31MXfnZ_dZiAB644S3NAVUk5R1Tu_X7tE/s1600/2014-05-09_141521.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0KqBR3hQK7A3Zf2NFfiCtXPyxwGCc7CIqDjlNHjFgjq4-ma6V30wSXOlYiSl5S1ZyI0qzN_ufCPLZB9UqGtRCeXxt7HUGySrqySbYDbjB2P31MXfnZ_dZiAB644S3NAVUk5R1Tu_X7tE/s1600/2014-05-09_141521.png" height="282" width="640" /></a></div>
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30度</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhphsu3WDSLogIjJb27P3ElJx_cqNxt-QWj_py7C1t1cFqMn9ZwFuwzZXX3G_xjpU-zrVU9nChYPJTVQZ0cuyQZ5RI3Lxws4-3Nhjrqwa_82oDpHmbfUoVmaiGaFUpwJTMd_5jIxHPjZ7c/s1600/2014-05-09_141601.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhphsu3WDSLogIjJb27P3ElJx_cqNxt-QWj_py7C1t1cFqMn9ZwFuwzZXX3G_xjpU-zrVU9nChYPJTVQZ0cuyQZ5RI3Lxws4-3Nhjrqwa_82oDpHmbfUoVmaiGaFUpwJTMd_5jIxHPjZ7c/s1600/2014-05-09_141601.png" height="282" width="640" /></a></div>
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45度</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2oFnl4U4mmkZMjea_Zzovcz0Fc7UFXQ1LS7MAIF521v8bZ5LlzeYFFObdgvG3XYDIzdys847Q7RBVHlGmDegONypWeOZZVBHKPY9lt9QnHNSmIZBNWC5V_m168d_aTZ5y5tMk61oSxQ4/s1600/2014-05-09_141652.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2oFnl4U4mmkZMjea_Zzovcz0Fc7UFXQ1LS7MAIF521v8bZ5LlzeYFFObdgvG3XYDIzdys847Q7RBVHlGmDegONypWeOZZVBHKPY9lt9QnHNSmIZBNWC5V_m168d_aTZ5y5tMk61oSxQ4/s1600/2014-05-09_141652.png" height="282" width="640" /></a></div>
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60</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW_PgVTLUqSPxtXA9GlGAIumc6zxzVjTxw0OtimW5kswZKVAiN7XEk_F9tPwJZOAcn6-FGytfR8I-wOQoIb_4SWdcbylM84y4M3oETgsFM83Zx9N5V2LgTbmxCaXAkvvXyfUdP3p3djTs/s1600/2014-05-09_141737.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW_PgVTLUqSPxtXA9GlGAIumc6zxzVjTxw0OtimW5kswZKVAiN7XEk_F9tPwJZOAcn6-FGytfR8I-wOQoIb_4SWdcbylM84y4M3oETgsFM83Zx9N5V2LgTbmxCaXAkvvXyfUdP3p3djTs/s1600/2014-05-09_141737.png" height="282" width="640" /></a></div>
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80度</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVGkItHVETPrGq-SOQFF1-mgewUZ_iM19o3WMqWIV5lM-IEphEpTtn-IWpL3FvOiyJrlxV7WXDf33Go6pfuHhfJPpu0CGxj0DBoY-j_PWagtY8qc0VehXu75geAo1fWGFo_xvk3n4HYeE/s1600/2014-05-09_141922.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVGkItHVETPrGq-SOQFF1-mgewUZ_iM19o3WMqWIV5lM-IEphEpTtn-IWpL3FvOiyJrlxV7WXDf33Go6pfuHhfJPpu0CGxj0DBoY-j_PWagtY8qc0VehXu75geAo1fWGFo_xvk3n4HYeE/s1600/2014-05-09_141922.png" height="282" width="640" /></a></div>
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90度</div>
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<h2>
Inflate Support 延伸支撐範圍</h2>
當需要支撐的面積太小時,有可能會造成粗支架的數量太過稀少,使得頂端的細支架沒有良好的基礎可以列印。這時候可以考慮延伸支撐架的範圍。Inflate Support會讓列印支架的範圍,依照下緣切線角度決定出來之後,再向外增加範圍。範圍夠大的話就能獲得較充足的粗支架。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgP1uidKVfjXbWzKgOrufmqLJA7SEVSFzb_1EI9idCHyy04e4dKyW2D6lBhVrQGTQIh5vSaLCUPNgZsrxhAaPCD0VHBA6ehqdXKDhANWw5QD0BYzFWfGODn2IIkiMc1lVLWyks2ko5YEQA/s1600/2014-05-09_152042.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgP1uidKVfjXbWzKgOrufmqLJA7SEVSFzb_1EI9idCHyy04e4dKyW2D6lBhVrQGTQIh5vSaLCUPNgZsrxhAaPCD0VHBA6ehqdXKDhANWw5QD0BYzFWfGODn2IIkiMc1lVLWyks2ko5YEQA/s1600/2014-05-09_152042.png" height="282" width="640" /></a></div>
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Inflate Support 設成 0mm</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIYsDMKHwsgdIYjM0I7BF0DdfsVZLvNYf0GTj9XcOSLU4rhkNwlhG5Hk69TjBV2GnY0_64EtazU2zCvdMr3SBA0z-NejfQzGsOuf5Dw89dAVZVzk_4FI_VmcbUQCM9-TUqx_gPDUPRgHM/s1600/2014-05-09_152053.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIYsDMKHwsgdIYjM0I7BF0DdfsVZLvNYf0GTj9XcOSLU4rhkNwlhG5Hk69TjBV2GnY0_64EtazU2zCvdMr3SBA0z-NejfQzGsOuf5Dw89dAVZVzk_4FI_VmcbUQCM9-TUqx_gPDUPRgHM/s1600/2014-05-09_152053.png" height="282" width="640" /></a></div>
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Inflate Support 設成 1mm</div>
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<h2>
Gap 間隙</h2>
Gap 指的是細支架與列印件之間的垂直距離。設成0的話,代表細支架與列印件之間密合,會讓支架難以拆除。距離設太大的話,列印件完全沒支撐,那支撐就白印了。平常我都設在0.4mm或是0.6mm。<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjf1UMc9Ftods83mbGJVF53kN8YxTHIs5f8kGvto505pD3AjAadxGT-ivpqq6kF93gi8hh9wLuywI3X5BUwead8rPXuJ-ftDjaq2Uegh0zwh3zcThPblgndzwRbqC8UTTheypHE-vD2EOQ/s1600/2014-05-09_154609.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjf1UMc9Ftods83mbGJVF53kN8YxTHIs5f8kGvto505pD3AjAadxGT-ivpqq6kF93gi8hh9wLuywI3X5BUwead8rPXuJ-ftDjaq2Uegh0zwh3zcThPblgndzwRbqC8UTTheypHE-vD2EOQ/s1600/2014-05-09_154609.png" height="282" width="640" /></a></div>
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Gap 0.4mm 間隙很小,觀察不到</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOgd7ke2anXJp6FSjYlVTuqC1CT7Z98X7yEANmFPdF2g_OMLQXCZOWCS3GaB2xWQApP-m2nIWLC-cfluZCQKqsNKmY9BevYV_F4AzZo6arWEMwJYufgsRgBvAg2YKGNx9AzEIMSAO3pYs/s1600/2014-05-09_154528.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOgd7ke2anXJp6FSjYlVTuqC1CT7Z98X7yEANmFPdF2g_OMLQXCZOWCS3GaB2xWQApP-m2nIWLC-cfluZCQKqsNKmY9BevYV_F4AzZo6arWEMwJYufgsRgBvAg2YKGNx9AzEIMSAO3pYs/s1600/2014-05-09_154528.png" height="282" width="640" /></a></div>
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Gap 5mm 就可以很明顯得看到細支架與列印件之間的間隙了。</div>
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<h2>
Support Z-Roof 支架高度上限</h2>
設成-1代表不設上限,如果設定成正值,就會限制支架的高度,超過高度就不產生支架。如果模型在某個高度之後,只有零星不必要的支架產生,就可以靠這個功能去除不必要的支架。<br />
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Support Z-Roof 設定成 -1 。所有需要支架的地方都會產生支架。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0tza2Yz-T8FZjKNTlArZOMpxbLa30hIC1ZRSxkB39tZCOKXi5QRXGJPfcTU6EW4i3uMbNDMC6549wo7rA3Ss_MyAVa1IphUIB1Adr591II7qdRBBep2sjZNG1vp2Tz9GeHlifayLB8B4/s1600/2014-05-09_155101.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0tza2Yz-T8FZjKNTlArZOMpxbLa30hIC1ZRSxkB39tZCOKXi5QRXGJPfcTU6EW4i3uMbNDMC6549wo7rA3Ss_MyAVa1IphUIB1Adr591II7qdRBBep2sjZNG1vp2Tz9GeHlifayLB8B4/s1600/2014-05-09_155101.png" height="282" width="640" /></a></div>
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Support Z-Roof 設定成 50mm。模型每10mm有一片樓板,第六樓就超過50mm,不再產生支架了。</div>
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<h2>
Sheath Main Support 粗支架側牆</h2>
側牆可以增加粗支架的強度,但是如果支架在工件的包圍之內,側牆會變的很難清除。要不要啟用這個功能,得要自己斟酌。<br />
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沒有開啟 Sheath Main Support,粗支架單純站立在棧板上,顯得相當單薄。</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIG-PYaErZa7_qTW3f6IFhJtmP5cmbPdFxWRrWwFAdZKGpl9u-1jEMxqcLufq0cOTBhXo5TL0h-UApg7e1k5CFt2KNzIbO8mUAdbc_pnNJ1xyasHYxhgBIxAKvS9rfwuYWZ1n5PKTx9y8/s1600/2014-05-09_160037.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIG-PYaErZa7_qTW3f6IFhJtmP5cmbPdFxWRrWwFAdZKGpl9u-1jEMxqcLufq0cOTBhXo5TL0h-UApg7e1k5CFt2KNzIbO8mUAdbc_pnNJ1xyasHYxhgBIxAKvS9rfwuYWZ1n5PKTx9y8/s1600/2014-05-09_160037.png" height="282" width="640" /></a></div>
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開啟 Sheath Main Support,而且將 Sheath Z-Roof(牆高)設定為10mm,讓側牆的結構加強粗支架底部,提高成功率。</div>
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<h2>
Off / On 粗支架密度</h2>
回頭看第一個設定值,粗支架密度。這個設定值用來選擇粗支架的密度,最細的Ultra等級,就是粗支架根細支加一樣密。越密越容易讓細支架成功,但是也花費越多時間跟材料在支架的列印上,而且更難拆除。一般我都只用最稀疏的支架就可以了。失敗的原因一般都是擠料不順造成的,增加粗支架的密度,幫助並不大。<br />
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<span style="text-align: start;">Coarse</span></div>
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<span style="text-align: start;">Rough</span></div>
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<span style="text-align: start;">Medium</span></div>
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<span style="text-align: start;">Dense</span></div>
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<span style="text-align: start;">Fine</span></div>
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<span style="text-align: start;">Ultra</span></div>
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陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com13tag:blogger.com,1999:blog-2315752776686485714.post-56607073904365548822014-05-01T16:56:00.002+08:002014-05-01T16:56:30.318+08:00Prusa i3 塑料很難塞!?<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirr2WE8_6GqvXwygcyeH3eJAVjqvD3UNwGrMNUqpgZlvE41Ti8J0jOmIfCNtpShIrgtfzTZSik2a08iwrN6U4oznkNYKOGbol6mLGl3JWQOW1PPzsZVFNkf8lDitpBKjpZ81H2bUtOIs8/s1600/2014-05-01_164555.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirr2WE8_6GqvXwygcyeH3eJAVjqvD3UNwGrMNUqpgZlvE41Ti8J0jOmIfCNtpShIrgtfzTZSik2a08iwrN6U4oznkNYKOGbol6mLGl3JWQOW1PPzsZVFNkf8lDitpBKjpZ81H2bUtOIs8/s1600/2014-05-01_164555.jpg" height="640" width="472" /></a></div>
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塞入這個塞子,塑料就可以順利進入 J-Head了。</div>
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塞子的脖子有點太長,請視情況自行修剪。</div>
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下載位置<br />
<a href="http://www.thingiverse.com/thing:316900">http://www.thingiverse.com/thing:316900</a>陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com2tag:blogger.com,1999:blog-2315752776686485714.post-42375575839396748472014-04-15T14:58:00.003+08:002014-04-15T15:49:45.271+08:00End Stop 電路介紹End Stop 限位開關,對許多不熟悉電子電路的同好還說,是一團難以摸透的迷霧。控制板上明明有三個腳位,為什麼接兩隻腳就可以用?微動開關上,接點有分NC、NO,是什麼意思啊?控制板上的S腳位是作什麼用的?S腳位直接跟 "-" 腳位短接在一起,為什麼不會燒毀?Marlin設定裡面,X_MIN_ENDSTOP_INVERTING 到底要設成 "true",還是"false"?<br />
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<h2>
RAMPS控制板上的限位開關腳位</h2>
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先來解釋RAMPS控制板上,關於限位開關的腳位。總共有六組限位開關腳位,分別定義給XYZ三軸的MAX/MIN位置。每組腳位各自有 "S"腳位、"-"腳位、"+"腳位。"+"腳位連結到RAMPS系統裡的5V電源供應系統;"-"腳位連結到接地線路;"S"腳位連結到Arduino的數位輸出/入腳位(IO),在Arduino+Marlin系統內,是設定成以一根電阻拉到高電位的"數位輸入"腳位。<br />
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<h2>
電路I/O腳位的秘密</h2>
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Pull high 電路示意圖</div>
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上圖中,PIN12是CPU偵測電位高低的IO腳位。透過一支10K毆母的電阻,接到系統的電源供應線路(5V)。所以當S1按鈕放開的時候,PIN12腳位偵測的的電壓會非常接近5V,軟體系統偵測這支腳位的狀態時,會讀取到"1"的結果。這個狀態下,軟體系統會定義為"Triggered"。當S1按鈕被按下,這時PIN12會直接接地,軟體系統偵測這支腳位的狀態時,會讀取到"0"的結果,判定為"Open"。這時5V的電源,會透過10K的電阻再接到接地點,所以並不會發生電源直接短路到接地線而燒毀電源供應系統(5V穩壓IC)。註1</div>
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微動開關腳位的定義</h2>
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微動開關一般有三支接腳,分別為 "C"共同接腳、"NO" Normal Open 通常開路接腳、"NC" Normal Close 通常短路接腳。顧名思義,"通常開路接腳",在微動開關被放開的時候,跟"C"接腳是斷開的,被按壓後,跟"C"接腳才短路接在一起;"通常短路接腳"則是在放開時,跟"C"接腳短路接在一起,被按壓後才跟"C"接腳斷開不通電。所以透過不同的接線方法,可以選擇被按壓時,是要讓線路通電、或是要斷電。</div>
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Marlin內與限位器相關的設定</h2>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsJiX6VdO3P8do0Hq_4T6fgez_aXWC3gjvtlg6_KfrRCgQhViNwz9lyIWBP0C0sBTfaUlQTpdemQxiRfuKzz87jTT9XlZc0hdnMrTOSKs2N6bFR3kiAmpmsHFo_r25IwrUgPNM31Vx4h0/s1600/2014-04-15_142327.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsJiX6VdO3P8do0Hq_4T6fgez_aXWC3gjvtlg6_KfrRCgQhViNwz9lyIWBP0C0sBTfaUlQTpdemQxiRfuKzz87jTT9XlZc0hdnMrTOSKs2N6bFR3kiAmpmsHFo_r25IwrUgPNM31Vx4h0/s1600/2014-04-15_142327.png" /></a></div>
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再來要了解Marlin Configuration.h裡,對於End-Stop腳位狀態的定義,要怎麼設定。一般軟體設計,都會定義IO腳位讀取值為1時,是為腳位驅動(Triggered)。Marlin裡也是這麼設計的。所以當RAMPS的S腳位浮接(不接任合線路)時,會視為Triggered。但是如果硬體線路必須要定義成S腳位為低電位時當作Triggered,這時可透過"ENDSTOP_INVERTING"的設定,改變Marlin對S腳位的定義。當設定值為"true",S腳位接地會變成"Triggered"。<br />
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另外還有 "DISABLE_MAX_ENDSTOPS" 跟 "DISABLE_MIN_ENDSTOPS" 兩個設定值,是用來告訴Marlin,是否有接 "MAX_ENDSTOPS" 跟 "MIN_ENDSTOPS"。例如沒有接MAX End-Stop的話,可以把 "//#define DISABLE_MAX_ENDSTOPS" 最前面的 "//" 刪掉,這樣Marlin就不會去讀取MAX End-Stop的狀態了。<br />
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融會貫通</h2>
綜合上述的所有設計細節,就可以融會貫通的解答END STOP相關的問題了。<br />
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如果單純使用微動開關當作限位器,那一定要接RAMPS上的 "S" 跟 "-" 腳位。因為"S"腳位在控制板CPU內部已經被Pull-up到高電位了,所以想要讓"S"腳位的狀態改變,只有把他拉去接地一途。"S"接到"+"是沒有作用的。<br />
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"S"腳位在CPU內部已經內見Pull-up電阻了,所以直接連接到"-"接地腳位,是不會燒毀的。<br />
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"ENDSTOP_INVERTING"設定值要看End-stop硬體線路的接法而定,如果希望"S"腳位為高電位或浮接時,定義為"Triggered",則"ENDSTOP_INVERTING"要設定成"false";反之如果希望"S"腳位為低電位或接地時,定義為"Triggered",則"ENDSTOP_INVERTING"要設定成"true"。<br />
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整個系統上有好幾個會改變狀態的變數,要全部融會貫通,才能設計出讓限位器正常工作的設定。如果不太確定自己能設計出對的設定,建議還是先依照i3組裝筆記內的說明進行安裝。而且務必檢查有沒有接錯,再開始做馬達的測試。<br />
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最後,祝大家列印愉快~<br />
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註1:ATmega-2560 的IO pin 有內建 Pull-Up 電阻在IC內部,不需要在外部電路另外安排 Pull-Up 電阻。<a href="http://www.atmel.com/Images/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf">ATmega-2560規格書第七頁。</a><br />
<br />陳亮宇http://www.blogger.com/profile/03647294206600173849noreply@blogger.com12