3D import/Export formats:
3DStudio
ArtLantis
DWG
DXF
FACT
IGES
Lightscape
Lightwave
OBJ
RIB
SAT
Shockwave
W3D
STEP (requires plugin)
STL
3DGF
3DMF
VRML
2D Import/Export formats:
BMP
EPS
HPGL
Illustrator 8
JPEG 2000
MacPaint
Photoshop
PICT
Piranesi
PNG
QuickTIme image
SGI Image
TGA
TARGA
TIFF