build123d vs DesignSpark Mechanical
| build123d | DesignSpark Mechanical | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Windows |
| Free plan | Yes | Yes |
| Modeling method | parametric | direct |
| Assembly design | Yes | Yes |
| Sheet-metal tools | Yes | No |
| Surface modeling | Yes | Yes |
| Cloud collaboration | No | No |
| Supported platforms | Windows, macOS, Linux (Python package) | Windows 10 (64-bit), Windows 11 (64-bit), Windows Server 2016 and 2019 (64-bit) |
| File import and export | Import: STEP, STL, 3MF; export: BREP, DXF, glTF, OBJ, STL, STEP, SVG, 3MF | Explorer imports RSDOC, RSDOCX, DSPCB IDF, TXT, JPG, BMP, PNG; exports RSDOCX, STL, OBJ, 3D PDF. Creator/Engineer also import OBJ, SKP, DXF, DWG, STEP, IGES, AVI, WMV, MKV; export AMF, DXF, DWG, STEP, IGES, GLB/GLTF, OBJ, VDB, 3D PDF, SKP, STL, XAML, JPG, PNG. |
Both are listed in Best 3D CAD Software. On Bettesworth Construction, DesignSpark Mechanical scores higher on our published basis.