SolveSpace
Truly freeFree parametric 2D/3D CAD
Free tier & pricing
Fully free and GPLv3 open source with no install required on Windows; geared to mechanical/geometric parts rather than full BIM.
Last verified Jun 23, 2026. Report a change →
The short answer
SolveSpace is a small free parametric 2D/3D CAD tool with a constraint solver, useful for modeling parts and 2D sections.
The facts
- Pricing
- Free · Truly free
- Free tier
- Yes
- Runs in browser
- No
- Platforms
- Windows, macOS, Linux
- 2D / 3D
- No 3D
- Learning curve
- Moderate
- Export formats
- DXF, PDF, SVG, STL
The catch
No major catches — this one’s refreshingly straightforward.
Best for
Lightweight free parametric modeling
SolveSpace: questions, answered
Is SolveSpace free?
Yes. SolveSpace is genuinely free to use. Fully free and GPLv3 open source with no install required on Windows; geared to mechanical/geometric parts rather than full BIM.
What platforms does SolveSpace run on?
SolveSpace is available on Windows, macOS, Linux. It is a desktop install with no browser version.
What file formats can you export from SolveSpace?
SolveSpace exports to DXF, PDF, SVG, STL. That includes CAD formats, so you can hand files to a contractor or open them in AutoCAD.
Is SolveSpace easy to learn?
Moderate to pick up. Lightweight free parametric modeling