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The AI designed 3 machine parts that all worked on the first hardware run

The AI with FreeCAD and MCP designed three useful parts, a printed OLED and ESP32 case, a milled hotend mount and a pen mount, all of which worked on the first hardware revision.

How it works

  1. The AI, with a CAD tool, designs three useful parts
  2. A printed case, a milled hotend mount and a pen mount
  3. All work on the first hardware run

Why it’s worth knowing

First hardware run is where CAD designs go to be humbled. These were not.

Where it’s from

Summarized from a public post on news.ycombinator.com. See the original ↗

Upgraded prompt

A ready-to-use prompt for this idea, built from research on what makes AI agents do the job right: who the AI should be, the exact steps, and a check to make sure it was done the way you wanted.

1Who the AI should be
2The prompt, with the steps
3The check when it’s done
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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.