In this tutorial you will learn how to do some basic modification of STL objects in FreeCAD, a great free 3D cad modeling program. Maybe you want to change or modify something you found in Thingiverse, and the only objects available there are STL files. In order to modify these STL objects in FreeCad, you first have to turn them into a Parts, then you can use boolean operations such as intersection, combine or cut, to operate on these parts, to make them into new parts of your very own! This video shows step by step how to accomplish these modification and more..

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