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Games and Creativity · Blog · 🌐 International · via agentusecases.ai

A robotic arm designed without knowing CAD

Claude Code wrote a script that FreeCAD rendered live; the author printed and assembled the parts.

Profession
Maker
Tools
Claude Code, FreeCAD
Source
hiitzroman.com ↗
Country
🌐 International
Found via
agentusecases.ai (Alex Finn) ↗
Report date
no date
Verified on
October 25, 2026
Illustrative photo: Industry sector

What they did

The agent wrote a Python macro that FreeCAD refreshed live, generating each part with boolean operations. The author iterated through conversation, 3D printed the parts and assembled them. Control was handled by a script on his laptop.

How it went

The arm worked, according to the blog.

Good to know

Start with simple parts and test-print each one.

The prompt

I want to design [part/object] for 3D printing, with dimensions [list]. Walk me through the steps in [software] as a beginner, including fit tolerances and recommended print settings.

Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).

Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Case found via agentusecases.ai (Alex Finn); text and prompt rewritten by us. Found a mistake?

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