LDraw

LDraw is a LEGO-oriented computer graphics standard that allows users to create 3D models of LEGO bricks and scenes. It is a file-based format primarily used for generating digital LEGO models, which can be viewed and manipulated in 3D software. The LDraw library contains a vast collection of parts, allowing hobbyists and modelers to replicate or create new designs using digital LEGO elements. LDraw files typically have a ".ldr" or ".mpd" extension. The ".