| .srfmap |
Terragen map file |
| .tpoly |
3D graphics file |
| .e3w |
E3.WireWorks project file |
| .atmsphr |
TerraGen latmoshpere andscape render file |
| .rd4f |
Ray Dream 4 model file |
| .asta |
Asta Powerproject and Asta Easyproject File, Astah UML Diagrams File, MAME saved games File |
| .83 |
Graphing Calculators File or Creo Elements/Pro File |
| .khe |
kHED 3D document |
| .smggeom |
SolidWorks composer assembly geometry data |
| .cam360 |
Autodesk Fusion 360 CAM data |
| .dt7 |
Civil Designer project |
| .82u |
Pro/ENGINEER CAD File, DICOM Images File |
| .idcl |
Inventor Desktop Content Library File |
| .sv%24 |
AutoCAD autosave |
| .%24ac |
Autodesk AutoCAD autosave |
| .ac%24 |
AutoCAD undo info data |
| .ab%24 |
Autodesk AutoCAD plot spooling data |
| .lk%23 |
Autodesk multi-user coordination lock data |
| .md60 |
MacDraft 6.x drawing |
| .md70 |
MacDraft 7.x drawing |
| .sketchup |
Sketchup file |
| .blender |
Blender file |
| .3dsmax |
3ds Max file |
| .2dm |
Aquaveo SMS model |