Format Registry

• 3D InterOp

• ACIS
• ArchiCAD library part
• AutoCAD DXF

• CAD Data Exchange
• COLLADA
• Caltech Intermediate Form
• Catia Graphical Representation
• CircuitLogix

• DGN
• Design Exchange Format
• Design Web Format
• DWG

• EDIF
• Electronic circuit simulation
• Excellon file

• G-code
• GDSII
• Geometric Description Language
• Gerber File

• IBIS Interconnect Modeling Specification
• IGES
• ISO 10303
• ISO 13399
• Input Output Buffer Information Specification
• Intergraph Standard File Formats

• JT (visualization format)

• List of STEP (ISO 10303) parts

• MD3 (file format)

• Obj
• Open Artwork System Interchange Standard
• Open Design Alliance

• PLY (file format)
• Parasolid

• SPICE
• STL (file format)
• SUGAR (MEMS Simulator)
• Simulation software
• Standard Parasitic Exchange Format

• VDA
• VDA-FS

Format guide: http://www.digitalpreservation.gov/formats/fdd/still_fdd.shtml