What is 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.

Find out how to get started on Windows, Mac or Linux

LDraw All-In-One-Installer

Windows users can use the LDraw All-In-One-Installer, in short AIOI, if they want a quick and easy way to install the LDraw Parts Library and many of the popular 3rd party tools as well.

Parts Update 2024-01

This update adds 160 new files to the core library, including 100 new parts and 10 new primitives.

Give Back to LDraw.org

Enjoying LDraw? Please give back to the community. You can do this in several ways:

Become a parts author and submit parts to the Parts Tracker
Join us on the forums and help other users
Help out with various needed tasks

Here you can learn techniques to enhance your proficiency with various programs of the LDraw System Of Tools.

Recent parts submitted to the Parts Tracker

Recent LDraw images from flickr.com

Recipient 2023
Massimo Maso

Latest Forum posts

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LDraw is a completely unofficial, community run free CAD system which represents official parts produced by the LEGO company.

LDraw™ is a trademark owned and licensed by the Estate of James Jessiman
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