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.skp - SketchUp document file
.rpf - AutoCAD pattern definition file
.dlc - 3D Studio Max animation controller file
.dwg - AutoCAD Drawing
.sat - 3D ACIS model file
.rvt - Autodesk Revit Architecture project file
.c4d - CINEMA 4D file format
.sld - Autodesk AutoCAD slide
file extension LDR - LDraw model file
File extension LDR description:
LDR file suffix is associated with LDraw. File contains model created and used by LDraw.
Associated applications to file extension LDR:
Company / developer:
James Jessiman
LDraw™
LDraw™ is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models and scenes. You can use it to document models you have physically built, create building instructions just like LEGO, render 3D photo realistic images of your virtual models and even make animations. The possibilities are endless. Unlike real LEGO bricks where you are limited by the number of parts and colors, in LDraw nothing is impossible.