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CAD Files

CAD (Computer-Aided Design) files may contain 2D or 3D designs. They are generated by CAD software programs, which can be used to create models or architecture plans. 2D CAD files are often referred to as drawings, while 3D files are often called models, parts, or assemblies.

Common CAD file extensions include .DWG, .DXF, .DGN, and .STL.

File Extension File Type Popularity
.DWGAutoCAD Drawing Database File
.DXFDrawing Exchange Format File
.JBCJam STAPL Byte-Code File
.EDRWSolidWorks eDrawings File
.STLStereolithography File
.DRAOrCAD Drawing File
.DLXDIALux Document
.PLNArchiCAD Project File
.IAMInventor Assembly File
.CATPARTCATIA V5 Part File
.SHXAutoCAD Compiled Shape File
.NWDNavisworks Document
.NWFNavisworks File Set
.SATACIS SAT 3D Model File
.VWXVectorworks Design File
.A2LASAP2 ECU Description File
.IPTInventor Part File
.CATPRODUCTCATIA V5 Assembly File
.XISEXilinx ISE Project File
.RTDRobot Structural Analysis Design File
.PRTPro/ENGINEER Part File
.NCMastercam Numerical Control File
.LDTEulumdat Formatted Luminaire Data File
.DXEAutoCAD Data Extraction Template
.TCDTurboCAD Mac Deluxe Drawing
.TCPTurboCAD Mac Pro Drawing
.IDWInventor Drawing
.TCWTurboCAD Drawing File
.CKDKubotek Design Container
.PHJPhCNC Project File
.DGNMicroStation Design File
.SCDOCSpaceClaim Document
.DSTAutoCAD Sheet Set File
.HCPHydroCAD Project File
.PHOGerber Photoplot File
.EDFEdificius Project
.DSNOrCAD Design File
.CGRCATIA Graphical Representation File
.OPJOrCAD Project File
.EDNEDIF Implementation Netlist File
.NGCXilinx Generated Netlist File
.123DAutodesk 123D Drawing
.ISEXilinx ISE Project
.FZFritzing Project File
.TBPTekla BIMsight Project
.HSFHOOPS Stream Format File
.SCADOpenSCAD Script
.IPJInventor Project File
.RMLRedline Markup Language File
.ASCLTspice Circuit Schematic File
.ASYLTspice Symbol File
.MP11Multisim 11 Project File
.MS11Multisim 11 Circuit Design File
.DC3DesignCAD 3D ASCII Drawing
.DC2DesignCAD 2D ASCII Drawing
.IPFiMPACT Project File
.TOPTopSolid Design Document
.TOPVIWTopSolid'Viewer Document
.IDEInventor iFeature File
.WDPAutoCAD Electrical Project File
.PRGPC-DMIS Part Program File
.NWCNavisworks Cache File
.JAMJam STAPL File
.CNCPartMaster CNC File
.DRADolphin PartMaster Drawing File
.EASMeDrawings Assembly File
.IDVInventor Design View File
.ANYAnyRail Layout Plan
.BITXilinx Bitstream File
.MODFEMFemap Model
.EWDEasyWOOD Design File
.123DX123D Design Model File
.HSCAspen HYSYS Simulation File
.PROKiCad Project
.ACTAlma CAD/CAM Document
.DB1Tekla Structures Model File
.CZDCAD Zone Drawing
.CNDMelco Condensed Embroidery File
.GINSPECT_PRJGOM Inspect Project File
.G3DGOM 3D File
.LI3DLive Interior 3D Document
.LIZDLive Interior 3D Compressed Document
.PRTCADKEY Part File
.SYMgEDA Symbol File
.SCHgEDA Schematic File
.CATDRAWINGCATIA V5 Drawing
.EPFEAGLE Project
.ELDEulumdat Formatted Luminaire Data File
.RSGRaySupreme Graph
.BPMCBizagi Process Modeler Collaboration
.BPMBizagi Process Modeler
.IC3DIC3D Scene File
.ICDIronCAD 3D Drawing File
.RDFRelux Project File
.BXLAccelerated Designs PCB Library File
.PATAutoCAD Hatch Pattern File
.RSRapidSketch Document
.ISOArbortext IsoDraw Document
.FZPFritzing Part File
.FANForm•Z Animation File
.FMZForm•Z Project File
.BRDCadence Allegro PCB Design File
.SDGStrater Project File
.SKFAutoSketch Drawing
.FCSTDFreeCAD Document
.RIGvRigger Design File
.CDDXCircuit Diagram Document
.ARTArtCAM Model
.BCDRealView Debugger Board Chip Definition File
.CDWKOMPAS Document
.CYPHome Designer Pro Project File
.BBCDBobCAD-CAM Document
.RSMRouterSim Network Visualizer File
.RCDLEGO MINDSTORMS Recording File
.CRVVCarve Pro Design File
.PSVPipe System Viewer File
.PIPDPIPE-FLO Demo Project File
.PIPEPIPE-FLO Project File
.NGDXilinx Netlist File
.SBPOpenSBP CNC Program File
.GBXGerber PCB File
.LCFArchiCAD Library Container File
.JTJT Open CAD File
.CAMGerber CAM Job File
.GCDGeneric CADD Drawing File
.GXCGeneral CADD Pro Component
.FLXFelixCAD Drawing
.GXDGeneral CADD Pro Drawing
.SLDASMSolidWorks Assembly File
.MODELCATIA 3D Model FIle
.DWFXDesign Web Format XPS File
.VTF3DESIGN CAD File
.ASMSolid Edge Assembly File
.CADBobCAD-CAM File
.DFTSolid Edge Draft Document
.PLAArchiCAD Project Archive
.X_BParasolid Model Part File
.X_TParasolid Model Part File
.KIT20-20 Design File
.123PCB123 Circuit Board Design
.SLDPRTSolidWorks Part File
.DFXDrafix CAD File
.SLDDRWSolidWorks Drawing File
.TCDTechnobox CAD Drawing
.ICSIronCAD 3D Drawing File
.GBRL-CAD Geometry File
.ARDArtiosCAD Workspace File
.SPTSpeedTree Tree Data File
.TCTTurboCAD Drawing Template
.FCWFastCAD Windows Drawing
.DCDesignCAD Design File
.PC7PowerCADD 7 Drawing File
.PSMSolid Edge Sheet Metal File
.PC6PowerCADD 6 Drawing File
.DRWDOTSolidWorks Drawing Template
.LINAutoCAD Linetype File
.MC9Mastercam 9 Geometry File
.PRTUnigraphics Part File
.T3001TARGET 3001! Circuit Design Project File
.MCXMICRO CADAM-X/6000 Model Data File
.PRTSolid Edge Part File
.DGBFlashCAD Drawing Database
.DCDDesignCAD Drawing
.BDLCoCreate Bundle File
.XV3Lattice XVL Geometry File
.GDSGraphic Data System File
.CPACADSTAR PCB Archive File
.MCDMiniCAD Design File
.IGSIGES Drawing File
.IPNInventor Presentation File
.DSTTajima Embroidery Format
.HUSHusqvarna Embroidery File
.TC2TurboCAD 2D Mac Drawing
.DXXAutoCAD Drawing Interchange Attribute File
.TC3TurboCAD 2D/3D Mac Drawing
.TCMTurboCAD Mac Drawing
.DWTAutoCAD Drawing Template
.DWSAutoCAD Drawing Standards File
.BLKAutoCAD Block Template File
.PWTAutoCAD Publish To Web Template
.DGKDelcam 3D Model File
.FNCQuickCAM 3D CNC File
.NEUPro/ENGINEER Neutral File
.AFDAlphacam Flame Drawing
.FPDFront Panel Designer Project
.LDRLDraw Model File
.SABACIS SAB Model File
.DLVCATIA 4 Export File
.CDLCADKEY Wireframe Design File
.JVSGVideo Surveillance Project
.MHSXilinx XPS Hardware Specification File
.SEWHome Embroidery Format
.LYCbestIMAGE Compressed Design File
.MINMAX Interchange Notation File
.MSMMultisim Circuit Design File
.2DVersaCAD 2D Drawing File
.BMFFloorPlan File
.FZBFritzing Bin File
.MODFemap Model
.DESPro/DESKTOP CAD File
.CF2Common File Format File
.TSCTINA Design File
.PWDSolid Edge Weldment Document
.CNCCNC Machine Tool Path
.FPPFront Panel Project
.QPMQuick Pallet Maker Input Data
.BRDKiCad PCB Design File
.CELMicroStation Cell Library
.SCHKiCad Schematic File
.DRUEAGLE Design Rules File
.L3BLEGO 3D Model File
.EWBElectronics Workbench Circuit Design File
.GSMGraphic Description Language File
.MVSMicrochip Verification Specification File
.ULDUnified Luminaire Data File
.EXBCAXA Draft
.CIBLuminaire Data File
.LTLLuminaire Data File
.MINOkuma CNC Program File
.EQNGAL Equation File
.BDCWest Point Bridge Designer Design File
.DRGAllyCAD Drawing File
.AFSSTAAD.foundation Project File
.VETLectra Cutter's Must File
.IBALectra Clothing Design Pieces File
.ATTAlphacam Lathe Tool File
.NPLXilinx ISE 5-6 Project File
.UPFUnified Power Format File
.DC1DevCad Document
.JOBMetaCAM Nest Job File
.3DCRoboCell Cell Setup File
.CIRCUITKTechlab Circuit Design File
.DSGControl Studio Document
.MP7Multisim 7 Project File
.MP9Multisim 9 Project File
.MS7Multisim 7 Circuit Design File
.UNTAutoCAD Unit Definition File
.MP10Multisim 10 Project File
.PSSAutoCAD Plot Stamp Settings File
.PSFAutoCAD PostScript Patterns File
.TOPPRJTopSolid Project File
.MS9Multisim 9 Circuit Design File
.IFCZIPCompessed IFC File
.IFCXMLIndustry Foundation Classes XML File
.FZZFritzing Shareable Project File
.SVDSolidView Design File
.REDCADViewer Redline Markup File
.GXHGeneral CADD Pro Hatch Pattern File
.EZPAutoCAD Ecscad Project Backup File
.GXMGeneral CADD Pro Macro File
.PCSPfaff Embroidery File
.TSFStrater Template File
.123CAutodesk 123C Drawing
.CMPSolid Edge Wire Harness File
.RRAvRigger Rigging Gear File
.TCXTurboCAD 3D Model Text File
.DC2DevCad Cam Pro Document
.DBQAutoCAD Query Set
.LYRbestIMAGE Design File
.ADTAutoCAD Audit Log
.VNDType3 Design File
.OLBOrCAD Symbol Library File
.ISOZCompressed Arbortext IsoDraw Illustration
.FZMFritzing Module File
.FCDFastCAD DOS Drawing
.IFProcedimientos-Uno IFWin Project File
.ADIAutoCAD Device-Independent Binary Plotter File
.EZCAutoCAD Ecscad Components Backup File
.PM3Crouzet Logic Software M3 File
.BPZEasy Blue Print Symbol Library
.OPTOpterecenja File
.PSUPSU Designer Document
.MDLLectra Modaris Clothing Design File
.CMPGeneric CADD Component File
.3DLSierra LandDesigner 3D File
.TAKTAK 2000 Thermal Model File
.CFFCommon File Format
.DVGGraphic Works Vector Graphic