text-to-cad: CAD and Fabrication Workflows for AI Agents

Repositoryearthtojake/text-to-cadTool

An open-source plugin enabling AI agents to locally generate parametric 3D CAD models, run design-for-manufacturing checks, and interface with fabrication services.

Key points

  1. Enables AI agents (including Claude Code, Codex, Cursor, Gemini, and Grok) to generate STEP, GLB, STL, and 3MF files locally.
  2. Performs automated design-for-manufacturing (DFM) checks and generates technical drawings.
  3. Connects directly with fabrication workflows for 3D printing, sheet metal, and CNC machining.
  4. Built on Python 3.11+, Node.js 20+, the cadgen PyPI package, build123d 0.11, and the Open CASCADE 7.9 CAD kernel.
  5. Relies on Astral uv for execution; anonymised telemetry is enabled by default and can be opted out of.

Why it matters

It bridges the gap between generative AI agents and physical engineering by providing access to precise B-Rep CAD kernels and manufacturing pipelines rather than simple polygon approximations.

Analysis

The project addresses the limitation that generic LLMs cannot natively manipulate solid CAD geometry. Targeting mechanical engineers, roboticists, and makers, it integrates build123d and Open CASCADE 7.9 into agent workflows via the skills standard. With more than 21,000 GitHub stars, active packaging on PyPI, and automated testing, the tool demonstrates strong traction and a solid foundation for practical engineering automation.

Found in

Summary generated by AI (Gemini 3.8 Flash, 18 October 2026). It may contain errors – the original source is authoritative.

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Locations

  • Mattersburg
    Johann Nepomuk Bergerstraße 7/2/14
    7210 Mattersburg, Austria
  • Vienna
    Ungargasse 64-66/3/404
    1030 Wien, Austria

Parts of this content were created with the assistance of AI.