build123d vs Onshape
| build123d | Onshape | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $125/mo |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Android, iOS, Web |
| Free plan | Yes | Yes |
| Modeling method | parametric | Parametric modeling for solids, surfaces, and sheet metal |
| Assembly design | Yes | Yes |
| Sheet-metal tools | Yes | Yes |
| Surface modeling | Yes | Yes |
| Cloud collaboration | No | Yes |
| Supported platforms | Windows, macOS, Linux (Python package) | Web, iOS, and Android |
| File import and export | Import: STEP, STL, 3MF; export: BREP, DXF, glTF, OBJ, STL, STEP, SVG, 3MF | STL and OBJ mesh modeling support |
| Paid from | — | Free |
Both are listed in Best 3D CAD Software. On Bettesworth Construction, Onshape scores higher on our published basis.