Computer-aided design (CAD) – File Formats

  • 3dmlw – (3D Markup Language for Web) files
  • 3dxml – Dassault Systemes graphic representation
  • ACP – VA Software VA – Virtual Architecture CAD file
  • AMF – Additive Manufacturing File Format
  • AR – Ashlar-Vellum Argon – 3D Modeling
  • ART – ArtCAM model
  • ASC – BRL-CAD Geometry File (old ASCII format)
  • ASM – Solidedge Assembly, Pro/ENGINEER Assembly
  • BIN, BIM – Data Design System DDS-CAD
  • CCC – CopyCAD Curves
  • CCM – CopyCAD Model
  • CCS – CopyCAD Session
  • CAD – CadStd
  • CATDrawing – CATIA V5 Drawing document
  • CATPart – CATIA V5 Part document
  • CATProduct – CATIA V5 Assembly document
  • CATProcess – CATIA V5 Manufacturing document
  • cgr – CATIA V5 graphic representation file
  • CO – Ashlar-Vellum Cobalt – parametric drafting and 3D modeling
  • DRW – Caddie Early version of Caddie drawing – Prior to Caddie changing to DWG
  • DWG – AutoCAD and Open Design Alliance applications
  • DFT – Solidedge Draft
  • DGN – MicroStation design file
  • DGK – Delcam Geometry
  • DMT – Delcam Machining Triangles
  • DXF – ASCII Drawing Interchange file format – AutoCAD
  • DWB – VariCAD drawing file
  • DWF – AutoDesk’s Web Design Format; AutoCAD & Revit can publish to this format; similar in concept to PDF files; AutoDesk Design Review is the reader
  • EMB – Wilcom ES Designer Embroidery CAD file
  • ESW – AGTEK format
  • EXCELLON – Excellon file
  • EXP – Drawing Express file format
  • FM – FeatureCAM Part File
  • FMZ – FormZ Project file
  • G – BRL-CAD Geometry File
  • GERBER – Gerber file
  • GLM – KernelCAD model
  • GRB – T-FLEX CAD File
  • GTC – GRAITEC Advance file format
  • IAM – Autodesk Inventor Assembly file
  • ICD – IronCAD 2D CAD file
  • IDW – Autodesk Inventor Drawing file
  • IFC – buildingSMART for sharing AEC and FM data
  • IGES – Initial Graphics Exchange Specification
  • Intergraph’s Intergraph Standard File Formats
  • IPN – Autodesk Inventor Presentation file
  • IPT – Autodesk Inventor Part file
  • JT (visualization format) Jupiter Tesselation
  • MCD – Monu-CAD (Monument/Headstone Drawing file)
  • model – CATIA V4 part document
  • OCD – Orienteering Computer Aided Design (OCAD) file
  • PAR – Solidedge Part
  • PIPE – PIPE-FLO Professional Piping system design file
  • PLN – ArchiCad project
  • PRT – NX (recently known as Unigraphics), Pro/ENGINEER Part, CADKEY Part
  • PSM – Solidedge Sheet
  • PSMODEL – PowerSHAPE Model
  • PWI – PowerINSPECT File
  • PYT – Pythagoras File
  • SKP – SketchUp Model
  • RLF – ArtCAM Relief
  • RVT – AutoDesk Revit project files
  • RFA – AutoDesk Revit family files
  • SCDOC – SpaceClaim 3D Part/Assembly
  • SLDASM – SolidWorks Assembly drawing
  • SLDDRW – SolidWorks 2D drawing
  • SLDPRT – SolidWorks 3D part model
  • Softimage’s dotXSI
  • STEP – Standard for the Exchange of Product model data
  • STL – Stereo Lithographic data format used by various CAD systems and stereo lithographic printing machines.
  • TCT – TurboCAD drawing template
  • TCW – TurboCAD for Windows 2D and 3D drawing
  • UNV – I-DEAS I-DEAS (Integrated Design and Engineering Analysis Software)
  • VC6 – Ashlar-Vellum Graphite – 2D and 3D drafting
  • VLM – Ashlar-Vellum Vellum, Vellum 2D, Vellum Draft, Vellum 3D, DrawingBoard
  • VS – Ashlar-Vellum Vellum Solids
  • WRL – Similar to STL, but includes color. Used by various CAD systems and 3D printing rapid prototyping machines. Also used for VRML models on the web.
  • XE – Ashlar-Vellum Xenon – for Associative 3D Modeling

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