Free CAD tools
Open, measure, share and convert CAD files online.
Tools by format
- STEP file viewerOpen STEP and STP files, measure them and get a 2D drawing.
- SLDPRT viewerOpen SLDPRT files without a SOLIDWORKS licence.
- STL file viewerView STL meshes in 3D and check their size before printing.
- IGES file viewerOpen IGES and IGS files in 3D and measure them.
- DXF viewerView and measure DXF drawings and flat patterns.
- STEP to STL converterTurn a STEP model into an STL for a slicer, in mm or inches.
- OBJ to STL converterTurn an OBJ mesh into an STL for a slicer.
Supported formats
| Format | Extensions | Opens as |
|---|---|---|
| STEP | .step, .stp | 3D solid: view, measure, draw and export |
| IGES | .iges, .igs | 3D solid or surface: view, measure and export |
| STL | .stl | 3D mesh: view and measure |
| OBJ | .obj | 3D mesh: view, measure and export |
| SOLIDWORKS | .sldprt | Converted to STEP |
| Autodesk Inventor | .ipt | Converted to STEP |
| CATIA V5 | .catpart | Converted to STEP |
| Creo / NX | .prt | Converted to STEP |
| Parasolid | .x_t, .x_b | Converted to STEP |
| ACIS | .sat | Converted to STEP |
| Rhino | .3dm | Converted to STEP |
| DXF | .dxf | 2D drawing: view, measure and price |