Show HN: CAD Studio – Describe a part, get parametric CAD you can print (macOS)

Category: devtools

Tags: cad, ai-agent, 3d-printing, macos, build123d, parametric-design

Score: 7.0/10 (Innovation: 7, Technical: 8, Documentation: 7, Utility: 6)

CAD Studio is a native macOS app that turns natural-language prompts into parametric CAD models by orchestrating a local coding agent (Claude Code or Codex) to write and run build123d Python scripts. It combines a live 3D viewer, multi-part assemblies, print-plate export, ISO drawings, physics-based animation, and version history into a polished workflow. It's an interesting AI-meets-CAD combination aimed at makers with FDM/resin printers.

Target audience: makers and hardware engineers, 3D-printing hobbyists, mechanical/CAD designers, backend devs experimenting with AI-assisted CAD

Repository: https://github.com/filippofinke/cad-studio · Swift · MIT · 29 stars

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