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SolveSpaceZoo Design Studio
Free

Free and open source under the GPL.

 Freemium

Free to download, with paid plans listed on the pricing page.

Windows, macOS, Linux Windows, macOS, Linux, Web
  • Real parametric constraint solving, so dimensions drive the model
  • Exports STL, STEP and DXF for 3D printing and machining
  • Runs on macOS, Windows and Linux plus a browser build
  • Built-in AI agent for designing and iterating parts
  • The interface is bare and the workflow unlike mainstream CAD packages
  • Not suited to large or highly complex assemblies
  • Browser version is a test build
  • Younger than established CAD packages
Downloadable app Downloadable app, Web application
Open source Closed source
License: GPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.