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PaperPort Thumbnail File .PWT AutoCAD Publish To Web Template .PYO Python Optimized Code .PZ2 Poser Pose File .PZ3 Poser Scene File .PZZ Compressed Poser Scene File .Q3D Quest3D Project File .RAL WinRail Track Design File .RBS Rebirth Song File .RIG LightWave 3D RIG function file .RPI Render Plug-in .RTC AutoCAD Civil rating curve data file .SAB ACIS SAB Model File .SC4MODEL SimCity 4 Model File .SCENE VCollab scene file .SESSION CATIA 4 Session File .SH3F Sweet Home 3D Model Library .SLB PSpice symbols library file .SPH Ribbons sphere file .STB AutoCAD Plot Style Table File .STEP STEP 3D Model .STP STEP 3D CAD File .STYLE SketchUp Style .SV$ AutoCAD Automated Backup File .T3001 TARGET 3001! Circuit Design Project File .T3D Unreal Engine 3D Object File .TC2 TurboCAD 2D Mac Drawing .TC3 TurboCAD 2D/3D Mac Drawing .TCD Technobox CAD Drawing .TCT TurboCAD Drawing Template .TDDD 3D Data Description File .TE3 WinTrack Object File .TOPPRJ TopSolid Project File .U3D Universal 3D File .UKX Unreal Animation Package .UMS Rune 3D Mesh File .UNITY Unity Scene File .UNT AutoCAD Unit Definition File .USX Unreal Static Meshes .V3D ViaCAD 3D drawing file .V3O Emergency 3 and 4 Model File .VMF Valve Map File .VRL VRML Virtual World .VRML VRML File .VVD Vivid 3D Scanner Element File .WMO World of Warcraft World Map Object .WRL VRML World .WRP Geomagic 3D Wrap File .WRZ Compressed VRML World File .X3D Xara3D Project .X_B Parasolid Model Part File .X_T Parasolid Model Part File .XAS Pro/ENGINEER Assembly Instance Accelerator File .XOM Worms 3D Object File .XSI Softimage XSI 3D Image .XV0 Lattice XVL Structure File .YAODL PowerFlip 3D Image File .YDL PowerFlip YAODL 3D Image File .Z3D ZModeler 3D File .477 MNS Shape Definition Companion File .787 AVTECH CCTV Video File