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ldraw2houdini (GitHub)

Library / Codebase Advanced

Stefan Muller

Proposed by Jan Mróz

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Description

ldraw2houdini is Stefan Muller's open-source Houdini package for importing official LDraw LEGO parts and models into SOPs and Solaris. GitHub releases ship shelf tools for single Brickini LDraw Part nodes and whole-model imports of LDR, L3B, and MPD files.

Features include stud logos, ACEScg colour conversion, instancing with point colours, intentional stacking imperfections, injection marks, brick gaps, slope grain, bevel-aware subdivision cleanup, automatic part caching to BGEO, MaterialX/Karma template scenes, and CLI turntable rendering without opening Houdini.

Advanced Houdini 22 technical artists building Brickini-style brick pipelines need SideFX Labs for auto UVs, an OCIO ACES configuration, and the separate LDraw parts library. Installation uses a Houdini packages JSON pointing at the plugin and LDraw library paths.

Documentation and showcase videos live on GitHub and brickini-tools.com. The repo pairs with Muller's Brickini landscape tools for large brickified environments.

Known among Houdini LEGO and procedural modelling circles as the standard LDraw ingestion path before Tool Brick style Unreal workflows.