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SolveSpaceShapr3D
Free

Free and open source under the GPL.

 Freemium

Free to start; paid subscription unlocks full professional features.

Windows, macOS, Linux Windows, macOS, iOS
  • Real parametric constraint solving, so dimensions drive the model
  • Exports STL, STEP and DXF for 3D printing and machining
  • Touch and stylus-first interface makes early-stage sketching and modeling feel natural
  • Available across iPad, Windows, and macOS with a shared workflow
  • The interface is bare and the workflow unlike mainstream CAD packages
  • Not suited to large or highly complex assemblies
  • Full feature set and best experience still centers on iPad with Apple Pencil
  • Free tier is limited compared to paid subscription plans
Downloadable app Downloadable app
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 22, 2026

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