G3D Viewer is a GTK+-based 3D graphics file reader that supports various file types.
3D Studio (.3ds, .prj)
LightWave (.lw, .lwb, .lwo)
Alias Wavefront (.obj)
Impulse TurboSilver / Imagine (.iob)
AutoCAD (.dxf)
Quake II Models (.md2)
Quake III Models (.md3)
Neutral File Format (.nff)
3D Metafile (.3dmf, .3mf, .b3d)
Caligari TrueSpace Objects (.cob)
Quick3D Objects & Scenes (.q3o, q3s)
VRML 1.0 files (.wrl, .vrml)
AC3D objects (.ac, .acc)
LeoCAD Models (.lcd)
Racer car models (.ar, .dof)
Ultimate Stunts car models (.glb)
VDrift car models (.joe, .car)
COLLADA & Google Earth (.dae, .kmz) (new in libg3d 0.0.7)
LDraw (.dat, .mpd) (new in libg3d 0.0.7)
ASCII Scene Exporter (.ase) (new in libg3d 0.0.7)