Welcome to the LDraw.org library. Here you will find the Parts Tracker, parts updates, documentation for the LDraw file format and library, and the Official Model Repository
Parts Tracker

The Parts Tracker is the system we use to submit files to the LDraw.org Part Library. The Parts Tracker allows users to download unofficial parts, submit new files, update existing unofficial files, and review unofficial parts.

Parts Update 2025-12

This update adds 42 new files to the core library, including 20 new parts and no new primitives.

Documentation

The reference docmentation for the LDraw File Format and LDraw.org Official Parts Library.

Official Model Repository

The Official Model Repository or OMR is a library of official LEGO® sets that have been created in LDRaw format.