The common file formats for CAD files include:
• .dwg (Drawing)
• .dxf (Drawing Exchange Format)
• .stl (Stereolithography)
• .iges (Initial Graphics Exchange Specification)
• .step (Standard for the Exchange of Product Model Data)
• .sat (ACIS SAT File)
• .3dm (Rhino 3D Model)
• .obj (Wavefront Object)
• .gcode (G-Code)
• .dgn (MicroStation Design File)
• .fbx (Autodesk FBX)
• .vda (VDA-FS)
• .prt (Pro/ENGINEER Part File)
• .asm (Assembly)
• .ipt (Inventor Part File)
• .drw (Drawing)
• .sldprt (SolidWorks Part File)
• .sldasm (SolidWorks Assembly File)
• .stp (STEP 3D Model)
• .x_t (Parasolid Text File)
• .igs (IGES File)
• .ply (PLY File)
• .skp (SketchUp Model)
• .slp (SolidWorks SLP File)
• .psm (Pro/ENGINEER Sheet Metal File)
• .blend (Blender 3D Model)
• .catpart (CATIA V5 Part File)
• .catproduct (CATIA V5 Assembly File)
• .ifc (Industry Foundation Classes)
• .3ds (3D Studio File)
• .q3d (QCAD 3D File)