Drive parametric CAD from agents over MCP
An open-source Rust parametric CAD tool supports MCP so agents can build models.
Generate parametric 3D-printable parts from a prompt
Adam’s open-source CADAM turns text or an image into OpenSCAD code with sliders for each dimension, exportable to STL.
- Difficulty
- BeginnerOur rating
- Time to build
- Not reportedOur estimate
- Monthly cost
- Not reported
- Revenue
- Not reportedWe only show revenue the source states
- Engagement
- 215 HN points97 comments · fetched Oct 15, 2026
What they did
Describe a part; the agent writes OpenSCAD and pulls out parameters you can tweak.
How it went
Launched on HN (YC W25).
Worth knowing
This is the builder launching their own product on HN. Check tolerances before printing.
Builder recipe
Our own starting point, written from the source. Adapt it to your setup.
Stack
- CADAM
- A 3D printer
Steps
- List the devices and data sources.
- Have the agent write the integration code.
- Test on one device first.
- Automate and monitor.
Starter prompt
A wall bracket for a 25mm pipe, 4mm thick, two M4 screw holes 40mm apart.Tags
Read the original
- Hacker News: news.ycombinator.com/item?id=48572553 ↗ (opens in new tab) Jun 17, 2026 · 215 points, 97 comments (fetched 2026-10-15)
- GitHub: github.com/Adam-CAD/CADAM ↗ (opens in new tab) Jun 17, 2026
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