There are 2 repositories under 3d-cad topic.
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE. This is a clone of the official repository located on https://dev.opencascade.org/. Please use official development portal for registering issues and providing patches.
A public repository for "Write, Execute, Assess: Program Synthesis With a REPL" project by Kevin Ellis, Max Nye, Yewen Pu, Felix Sosa, Josh Tenenbaum, and Armando Solar-Lezama. Presented at NeurIPS 2019.
A curated list of Additive Manufacturing literature, research papers, and presentations that are publicly available and related to Laser Powder Bed Fusion and Metal Binder Jetting processes.
My own FreeCAD models repository
Chain tensioner constructed by FreeCAD, build by 3D printing (Ender 3Pro)
Open CASCADE Community Edition: patches/improvements/experiments contributed by users over the official Open CASCADE library.
https://yuiltripathee.github.io/CPE101_Engineering_Exploration_Journal_Yuil_Tripathee/