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Manual:Modeling for product design/22/zh-cn
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From FreeCAD Documentation
外部几何并不是 "真实" 的,当我们离开编辑模式时,它将被隐藏。但是我们可以用它来放置约束。放置以下 4 个约束:
选择矩形的左上点和导入线的顶点,添加一个
水平距离约束
,距离为 1.8 毫米
再次选择矩形的左上点和导入线的顶点,添加一个
垂直距离约束
,距离为 1.8 毫米
选择矩形的右下点和右导入线的底点,添加一个
水平距离约束
,距离为 1.8 毫米
再次选择矩形的右下点和右导入线的底点,添加一个
垂直距离约束
,距离为 1.8 毫米