An idea becomes a real CAD file.
A PRD plus six reference photos becomes a validated STEP solid, with an STL preview.
What's inside
Datum CAD in three ideas.
01
Any LLM
OpenAI, Anthropic, Gemini, Pegatron MAAS or a free local model writes the CadQuery program.
02
Sandboxed build
The program runs in a sandbox to produce the STEP.
03
Validated solid
The server re-imports the STEP to check the solid.
Get it
Pick how you want to start.
Questions
Good questions.
Is it free?
Yes. The source is public on GitHub under the MIT licence.
What does it run on?
Web, Self-hosted, CadQuery.
Where do I start?
Open the README for setup and details, or use the buttons at the top of this page.
Who made it?
Juwen Lie, an R&D mechanical engineer in Batam, Indonesia, as an independent personal project.