TweakCAD vs ZW3D
| TweakCAD | ZW3D | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $3,000/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | Web, Windows |
| Free plan | Yes | No |
| Modeling method | parametric | hybrid |
| Cloud collaboration | Yes | Yes |
| Supported platforms | web browser; self-hosted locally with Docker or Podman | Windows 7 SP1, Windows 8.1, Windows 10, and Windows 11; browser-based viewing and collaboration are documented. |
| File import and export | STEP, STL, 3MF, BREP, FreeCAD .FCStd, DXF, SVG, .cadjson | Import/export converter formats include IGES, Parasolid, STEP, DWG/DXF, VDA, and STL; direct open/save/edit is listed for CATIA, Inventor, NX, SOLIDWORKS, Solid Edge, Creo/ProE, and ACIS. |
| Assembly design | — | Yes |
| Sheet-metal tools | — | Yes |
| Surface modeling | — | Yes |
Both are listed in Best 3D CAD Software. On Inferse, ZW3D scores higher on our published basis.