Format Registry

• 3D InterOp

• ACIS
• ArchiCAD library part
• AutoCAD DXF

• BDL (file format)

• CAD Data Exchange
• CCZ (file format)
• COLLADA
• Caltech Intermediate Form
• Catia Graphical Representation
• CircuitLogix

• DB (file format)
• DGN
• Design Exchange Format
• Design Web Format
• DWF (file format)
• DWG

• E2 (file format)
• E3 (file format)
• EDIF
• Electronic circuit simulation
• Excellon file

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

• HPGL (file format)

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

• JT (visualization format)

• LIB (file format)
• List of STEP (ISO 10303) parts

• MCC (file format)
• MCD (file format)
• MCM (file format)
• MD3 (file format)

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

• PLY (file format)
• Parasolid

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

• TLN (file format)

• VDA
• VDA-FS

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

'.hpg', '.c', '.plt', '.ger', '.ug', '.ipn', '.ipl', '.ics', '.ed', '.pwd', '.ipc', '.cdi', '.ex', '.pdb', '.plx', '.ipt', '.pdf', '.icd', '.pcb', '.net', '.in', '.idf', '.d', '.mdf', '.gbx', '.idw', '.gbr', '.mdl', '.dbb', '.sym', '.vss', '.prt', '.ast', '.sat', '.asc', '.egs', '.des', '.prn', '.asm', '.dms', '.gcm', '.fab', '.dts', '.vrml', '.cii', '.step', '.npt', '.ddb', '.imx', '.bnr', '.pmd', '.gtd', '.cbt', '.imw', '.ol', '.dsn', '.edz', '.lbr', '.pad', '.paf', '.rep', '.edf', '.eda', '.mac', '.mod', '.rar', '.rte', '.spl', '.brd', '.sci', '.drl', '.ulp', '.nc', '.mf2', '.drw', '.igs', '.sldprt', '.txf', '.art', '.mld', '.wir', '.tpt', '.g', '.opj', '.txt', '.tcw', '.pho', '.pin', '.llb', '.ad_prt', '.imd', '.ffs', '.tl', '.catproduct', '.mi', '.dc', '.x_t', '.olb', '.dat', '.ps', '.cmp', '.hyp', '.min', '.gwk', '.max', '.bsf', '.sldasm', '.mf1', '.dpf', '.slddrw', '.dxk', '.kyn', '.xmt_txt', '.ala', '.wrp', '.bbn', '.tap', '.atr', '.cad', '.fr', '.iam', '.ftf', '.catpart', '.mnl', '.model','.3ds', '.lwo', '.nas', '.wrl','.neu', '.x_b']

PTCLOUD_exts = ['.ac', '.asc','.3pi', '.bin', '.swl', '.bre', '.cam', '.cdm', '.vvd', '.cwk', '.dbt', '.dpi', '.g3d', '.surf', '.gpd', '.gti', '.hym', '.met', '.mtn', '.net', '.opt', '.pix', '.pmj', '.pmjx', '.sab2', '.scn', '.pcn', '.xyz', '.xyzn']