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How to generate an editable printable part from a text brief with Multi Agent CAD

Turn a plain-language part description into STEP, STL, and GLB files you can open in CAD or print.

Who it is forA maker or product designer who needs a first CAD model of a simple printable part and does not want to write CAD code.

The problemWriting parametric CAD from scratch takes time, and a text description alone does not produce a file you can edit or print.

The outcomeAn editable part exported as STEP, STL, and GLB, with the generated Python and QA results available for review.

What you need first

  • Python with conda or a Python 3.11 virtual environment
  • git to clone the repository
  • An API key for an OpenAI-compatible model endpoint, such as the default DashScope setup
  • Enough local disk and network access to run the model calls

Steps

  1. git clone https://github.com/Pan-Chera/Multi-Agent-CAD.git
  2. cd Multi-Agent-CAD
  3. conda env create -f environment.yml
  4. conda activate multi_agent_cad
  5. pip install --no-deps "aider-chat==0.82.3"
  6. export DASHSCOPE_API_KEY="your-key"
  7. Set USER_REQUEST in multi_agent_cad/config.py to your part brief, then run python -m multi_agent_cad.graph

Prompt for your agent

Use the Multi-Agent-CAD repo (github.com/Pan-Chera/Multi-Agent-CAD). Set USER_REQUEST in multi_agent_cad/config.py to the brief <part description>, then run python -m multi_agent_cad.graph. Report the exported STEP, STL, and GLB paths and confirm the QA result before printing.

Caveat. The README says generated geometry should be validated before manufacturing use, so check dimensions and fit before printing.

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