Danish Bricks Builder

Open-source · Runs in your browser

Build with bricks, in the browser.

A free, open building tool: a 3D brick editor, a directory of every part, and a directory of builds you can load and remix.

3D editor

Build

Place real bricks on a baseplate in your browser. Keyboard-first placement, undo/redo, color picker, and .ldr import/export.

5,459 parts with 3D geometry

Directory

Parts

Browse and search the full parts catalog with live 3D previews, categories, and color availability.

63,560 parts · 274 colors

Directory

Builds

Official sets with full inventories, community 3D reconstructions you can open in the editor, and thousands of generated structures.

27,248 sets · 47,389 structures

LEGO® is a trademark of the LEGO Group of companies, which does not sponsor, authorize or endorse this site. Part geometry from the LDraw parts library (CC BY 2.0). Catalog data and images from Rebrickable (CC BY). See About for full attributions.