Free CAD Download Software
FreeCAD is a parametric 3D modeler complete chiefly to project real-life substances of some scope. Parametric demonstrating lets you to effortlessly adapt your project by successful back into your perfect antiquity and altering its parameters. FreeCAD is open-source and extremely customizable, scriptable and extensible.
FreeCAD is multiplatform (Windows, Mac and Linux), and reads
and writes numerous open file arrangements such as STEP, IGES, STL, SVG, DXF,
OBJ, IFC, DAE and numerous others.