Extension Description Author File / Link
pol InnovMetric Binary File Format (Acrobat) Innovmetric Software Inc. Deprecated resource Download
pov Persistance of Vision Ray Tracer v3.0 Deprecated resource Download
q3o Quick3D Object and Scene File Formats Version 3 Deprecated resource Link
renderman RenderMan 3.1 specification Pixar Deprecated resource Link
rpi A flexible file format for solid free form fabrication (Acrobat) Stephen J. Rock, Michael J. Wozny Download
sdml Spacial Data Modeling Language Silicon Graphics Deprecated resource Link
sgo IRIS Inventor Nodes Quick reference (Acrobat) Silicon Graphics Download
How to write an IRIS Inventor file translator (Acrobat) Silicon Graphics Download
stl STL and SLC formats for rapid prototyping Deprecated resource Download
vrml X3d (VRML 97 in XML format) Link
VRML2 Reference Dr Clue Download
Virtual Reality Modeling Language Various Download
VRML 97 specifications Deprecated resource Link
x3d Xara 3D (X3D) file format information Bastiaan van der Wulp Deprecated resource Link