Download your favorite Computer-Aided Design (CAD)
BRL-CAD
A powerful open source cross-platform solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, a system performance analysis benchmark suite, geometry libraries for application developers.
7.32.0
FreeCAD
An open-source parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters.
0.21.1
0.20.26155
0.20-26306
LibreCAD
A free Open Source 2D Computer-Aided Design (CAD) application for Windows, Apple and Linux.
OpenSCAD
A free software application for creating solid 3D CAD objects. It is a script-only based modeller that uses its own description language; parts can be previewed, but cannot be interactively selected or modified by mouse in the 3D view.