CadQuery is an open-source Python library for building 3D CAD models

https://cadquery.github.io/

Article

  • Python-based parametric 3D CAD library, alternative to OpenSCAD
  • Uses fluent/chained API to describe solid geometry programmatically
  • Open-source, scriptable, good for precise engineering parts

Discussion

  • Compared to OpenSCAD: main differentiator is Python syntax vs. OpenSCAD DSL
  • One commenter building a CAD kernel in Rust with a Blender frontend

Discuss on HN


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Added Apr 17, 2026
Modified Apr 17, 2026