9 easy steps for llama.cpp, a local model, Freecad (and pi coding agent) to generate solid objects that sound mechanically good and can be also be 3D printed/milled

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Quick setup on linux: STEP 0: install/download llama.cpp, Freecad, your favourite gguf model - possibly with multimedia image reading capabilities (I've used Qwen3.8-27B-UD-Q4_K_M and relative mmproj-F16 quantized by Unsloth), uv (, pi.dev) STEP 1: $ cd /your/path/to/ (i.e. where to install) STEP 2: $ git clone https://github.com/neka-nat/freecad-mcp.git STEP 3: $ cp -r freecad-mcp/addon/FreeCADMCP ~/.local/share/FreeCAD/v1-1/Mod/ STEP 4.1: if using pi coding agent as modelling assistant, write