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How to prepare a part file for a 3D printing or CNC service with Text to Cad

Export a generated part in a format a 3D printing or CNC fabrication service can take.

Credentials. Placing an order with a fabrication service may require an account on that service, which the README does not describe.

Who it is forA small hardware team or maker sending a part to an outside print, sheet metal or CNC service.

The problemFabrication services accept specific file formats, and converting a model by hand adds errors.

The outcomeA part file exported in the format the service needs, checked before submission.

What you need first

  • uv installed (check with `uv --version`)
  • One supported agent app: Claude Code, Codex, Cursor, Gemini or Grok
  • A network connection for the first start, which downloads CAD's runtime

Steps

  1. Install Text to Cad in your agent app and generate the part you need.
  2. Check which file formats the fabrication service accepts, such as STL or 3MF for printing or STEP for machining. (inferred, check the README)
  3. Ask the agent to export the model in that format.
  4. Open the exported file in the CAD Viewer and confirm its size and orientation before uploading it to the service.

Prompt for your agent

Using the text-to-cad plugin from https://github.com/earthtojake/text-to-cad, export <model file path> as <format the service accepts>. Return the exported file path and confirm the file opens correctly in the CAD Viewer.

Caveat. The README does not document how the fabrication service connections work, so set up and test them with the service directly before sending real orders.

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