FreeCAD

About FreeCAD

FreeCAD is a parametric 3D modeler with workbenches for part design, drafting, meshes and FEM analysis, reading STEP/IGES/STL. Real CAD for engineers, makers and students — no student license games.

FreeCAD is completely free and open source (LGPL-2.1+) — no trials, no subscriptions, no locked features. Always download from the official website to avoid bundled malware.