Build 3D Parts with Local AI and FreeCAD
π‘Turn natural-language prompts into locally generated, inspectable FreeCAD geometry.
β‘ 30-Second TL;DR
What Changed
The setup combines llama.cpp, a local GGUF model, FreeCAD, and the freecad-mcp bridge.
Why It Matters
The workflow lowers the barrier to experimenting with AI-assisted CAD while keeping inference local. It could help rapid concept generation, but engineers must manually verify dimensions, tolerances, manufacturability, and mechanical safety before production.
What To Do Next
Clone freecad-mcp and reproduce the cube-with-star-hole example in FreeCAD before testing more complex gear designs.
Key Points
- β’The setup combines llama.cpp, a local GGUF model, FreeCAD, and the freecad-mcp bridge.
- β’FreeCAD's MCP add-on exposes modeling tools through an RPC server.
- β’llama-server can load the MCP configuration and optionally use an image projector to inspect FreeCAD screenshots.
- β’Example prompts generate a cube with a star-shaped hole or a pair of interlocking gears.
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Original source: Reddit r/LocalLLaMA β
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