BuildFreely
Truly freeParametric shed CAD with bill of materials
Free tier & pricing
Free CAD tool generating a 3D model, plans, bill of materials, and cost estimate from your parameters; one-story rectangular gable/shed roofs only.
Last verified Jun 23, 2026. Report a change →
The short answer
BuildFreely is a free browser CAD tool that builds a 3D framing model, plans, BOM, and cost estimate from detailed stud/rafter/foundation parameters.
The facts
- Pricing
- Free · Truly free
- Free tier
- Yes
- Runs in browser
- Yes
- Platforms
- Web
- 2D / 3D
- Basic 3D
- Learning curve
- Moderate
- Export formats
- —
The catch
No major catches — this one’s refreshingly straightforward.
Best for
DIYers wanting framing-accurate shed plans