build123d vs HeeksCAD
| build123d | HeeksCAD | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Linux, Windows |
| Free plan | Yes | Yes |
| Modeling method | parametric | parametric |
| Assembly design | Yes | — |
| Sheet-metal tools | Yes | — |
| Surface modeling | Yes | — |
| Cloud collaboration | No | No |
| Supported platforms | Windows, macOS, Linux (Python package) | Windows, Ubuntu, Debian, OpenSUSE |
| File import and export | Import: STEP, STL, 3MF; export: BREP, DXF, glTF, OBJ, STL, STEP, SVG, 3MF | Import: STEP, IGES, DXF; export/save: IGES, STEP, STL, DXF |
Both are listed in Best 3D CAD Software. On Everything Xiaomi, build123d scores higher on our published basis.