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        <dc:date>2025-10-11T02:55:35+00:00</dc:date>
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        <title>knowledge:freecad:reference:tutorial:2021123001</title>
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        <description>愛設計？學FreeCAD！

转自:&lt;https://oldmau.blogspot.com/2019/09/freecad.html&gt;

在台灣，如果你沒沒無聞，你的設計只值你的薪水。如果離開公司時你還是沒沒無聞，那麼在你出名之前，你的設計不值錢。

你必須用作品為自己打響名號，才會有人願意出錢請你做設計。</description>
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        <title>knowledge:freecad:reference:tutorial:2021123101</title>
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        <description>FreeCAD操作介面與設定指南

转自：&lt;https://oldmau.blogspot.com/2019/09/freecad_25.html&gt;

寫這篇之前，阿伯也去看過網路上其他FreeCAD教學相關文章。感想是如果用一個指令一個動作的教法來寫，讀來真的是又臭又長有夠枯燥，我寫得痛苦你看得也難過。所以基本上阿伯只會講重點把方向指出來，至於操作細節請讀者自己動手試試，只有親自搞懂，印象才會深刻。</description>
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        <description>用FreeCAD建立3D零件草圖

转自：&lt;https://oldmau.blogspot.com/2019/10/freecad3d.html&gt;

用Part Design平台建立3D特徵的流程如下：
1.選擇草圖平面
2.畫出草圖輪廓
3.設定拘束條件
4.產生3D特徵

第1步到第3步都在畫草圖(sketch)，你必須畫出正確的草圖，才能確保你的3D模型不會出怪手。但草圖可說是FreeCAD第一個，也是殺傷力最大的難關。許多新手被FreeCAD的草圖功能搞得一個頭兩個大，但只要懂得訣竅，你會發現其實一點也不難。…</description>
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        <description>FreeCAD範例：壓縮彈簧(上)

转自：&lt;https://oldmau.blogspot.com/2020/01/freecad.html&gt;

壓縮彈簧廣用於各種機械，例如車輛的避震器。繪圖前，你要先知道壓縮彈簧的尺寸參數有哪些。如下圖所示：



繪圖軟體：FreeCAD，工作平台(Workbench)：Part, Part Design
機械設計圖表便覽上與繪圖相關的規格參數如下：</description>
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        <description>FreeCAD範例：壓縮彈簧(下)

转自：&lt;https://oldmau.blogspot.com/2020/01/freecad_9.html&gt;

本範例的壓縮彈簧尺寸參數如下圖：



繪圖軟體：FreeCAD，工作平台(Workbench)：Part, Part Design

第一步：繪製螺旋線
FreeCAD繪製螺旋線的功能在Part工作平台，如下圖所示：</description>
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        <title>knowledge:freecad:reference:tutorial:2021123105</title>
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        <description>FreeCAD錄製Python巨集超入門

转载：&lt;https://oldmau.blogspot.com/2020/01/freecadpython.html&gt;

FreeCAD的一大特色就是可以用Python程式語言自行建立想要的功能。但寫程式如果沒人教你、沒書可看、網路資料別說看懂，連對不對都成問題時，該怎麼辦？</description>
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        <title>knowledge:freecad:reference:tutorial:2021123106</title>
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        <description>淺談FreeCAD Part Design的基準面

转载：&lt;https://oldmau.blogspot.com/2020/02/freecad-part-design.html&gt;

如果你開新檔後直奔Part Design工作平台按草圖(sketch)圖示，FreeCAD會自動建立一個Body。Body裡名叫Origin的東東，就是一切基準(datum)的基準：絕對座標。而XY、XZ、YZ平面，就是絕對基準面(datum plane)。如下圖：</description>
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        <title>knowledge:freecad:reference:tutorial:2021123107</title>
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        <description>FreeCAD曲面功能簡介

转载：&lt;https://oldmau.blogspot.com/2020/03/freecad.html&gt;

FreeCAD的曲面(surface)功能可分為兩大類。第一類是建立一個以上的封閉斷面草圖，然後直接或沿著單一路徑產生具備曲面外觀的實體(solid)。第二類則是建立一個以上的非封閉草圖或曲線構成曲面的邊界或斷面，然後依據這些邊界和斷面來構成曲面(surface)。</description>
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        <title>knowledge:freecad:reference:tutorial:2022010801</title>
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        <description>FreeCAD曲面範例教學

转载：&lt;https://oldmau.blogspot.com/2020/03/freecad_24.html&gt;

首先，我們在Part Design工作平台建立曲面的邊界與斷面草圖，圖形、拘束條件、尺寸與基準面如下圖：



接下來，先切換到Surface工作平台，然後點選曲面產生指令如下圖：</description>
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        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>knowledge:freecad:reference:tutorial:2022010802</title>
        <link>https://wiki.ocrobot.com/doku.php?id=knowledge:freecad:reference:tutorial:2022010802&amp;rev=1760151335&amp;do=diff</link>
        <description>開外掛！用FreeCAD Curves畫曲面

转载：&lt;https://oldmau.blogspot.com/2020/04/freecad-curves.html&gt;

首先，請安裝Curves這個外掛(add on)工作平台。方法請參考前文[愛設計？學FreeCAD！]。

裝妥後，在Part Design工作平台建立曲面的邊界草圖，圖形、拘束條件、尺寸與基準面如下圖：</description>
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