g3dviewer

G3DViewer is a 3D file viewer for GTK+ supporting a variety of file types:
- 3D Studio (.3ds, .prj)
- LightWave (.lw, .lwb, .lwo)
- Alias Wavefront (.obj)
- Impulse TurboSilver / Imagine (.iob)
- AutoCAD (.dxf)
- Quake II Models (.md2)
- Neutral File Format (.nff)
- 3D Metafile (.3dmf, .3mf, .b3d)
- Caligari TrueSpace Objects (.cob)
- Quick3D Objects & Scenes (.q3o, q3s)
- VRML 1.0 files (.wrl, .vrml) (still buggy)
- AC3D objects (.ac, .acc)

Some of the features are:
- Wireframe mode
- Texture support
- Specular lighting (not really nice at the moment)
- changable background color :)