| File Format | File Extension | Read | Write |
| 3D Metafile | .3dmf | No | Yes |
| 3D Studio | .3ds, .asc, .prj (read only) | Yes | Yes |
| AutoCAD DXF | .dxf | Yes | Yes |
| Imagine (Original & New Formats) | .iob | Yes | Yes |
| Turbo Silver (Amiga) | .ts | Yes | Yes |
| LightWave | .lwo | Yes | Yes |
| Lightscape | .lp | Yes | Yes |
| POV-Ray 3.0 | .pov | No | Yes |
| RealiMation Version 4.1 | .rbs | Yes | Yes |
| RenderWare | .rwx (ASCII only) | Yes | Yes |
| Scenery Animator (Amiga) | .land | Yes | Yes |
| Sculpt (Amiga) | .scene | Yes | Yes |
| StereoLithography | .stl (ASCII & Binary) | Yes | Yes |
| trueSpace | .coa, .cob | Yes | Yes |
| TrueType Font | .ttf | Yes | No |
| USGS 1-degree DEM | .dem | Yes | No |
| USGS STDS | functionality will be added | Yes | No |
| USGS GTOPO30 | .dem | Yes | No |
| VideoScape (Amiga) | .geo | Yes | Yes |
| VistaPro | . dem | Yes | Yes |
| VRML 1.0 & 2.0 | .wrl (ASCII only) | Yes | Yes |
| Wavefront | .obj | Yes | Yes |
5. Web Resources
3D Model World : http://www.3dmodelworld.com/
Comparative Tools : http://oct31.de/aw/
The Ultimate 3D information Website : http://grafix.www7.50megs.com/