
Freecad
[FreeCAD] is a general-purpose parametric 3D computer-aided design (CAD) modeler and a building information modeling (BIM) software application with finite element method (FEM) support.
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FreeCAD is an open-source parametric 3D modeler designed for creating real-life objects of any size. It's suitable for hobbyists, students, educators, and professionals in product design, mechanical engineering, and architecture. The software emphasizes parametric modeling where…