LDraw Mecha: AI agents animate LEGO mechanisms from LDraw source files

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A developer has released LDraw Mecha, an open-source project that uses agentic LLMs to animate LEGO models. The tool reads specially annotated LDraw .mpd source files, infers the model's submodel structure, and identifies which parts form mechanisms. It then plans animations and executes them in Blender, producing a rigged and animated .blend file. The project follows LDraw Nova, an earlier agentic toolset for generating LEGO CAD models, and is shared on Hacker News seeking community feedback.

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