- .3dm; a Rhino3D file holding complex surface data,
- .stl; a Stereo lithography format with triangle meshes (import only )
- .dat; a simple point data file format with lines and quad meshes (import only)
The native LucidShape file format in LucidShell language. The powerful surface design CAD system Rhino3D can be used as a front end to LucidShape to import and export all major CAD formats such as IGES and STEP.