南极熊导读：使用一个看起来不错但切片软件无法处理的STL文件是一件令人十分苦恼的事情。当3D模型未能成功转化为实体或者可打印的对象时，就会发生这种情况。用技术术语来说，模型可能不是“watertight”（切片器无法计算出实体形状）或可能不是“manifold ...

If you’ve tried FreeCAD, you know that it has a daunting number of workbenches and options. [MangoJelly] has a large number of video tutorials on FreeCAD, and the latest one, below, covers working ...

[Kevin] admits that FreeCAD may not be the ideal tool for editing STL files. But it is possible, and he shares some practical advice in the video below. If you want to get the most out of your 3D ...