- Building AI tooling, luthiery tools, and reproducible 3D print pipelines
- Ask me about MCP servers, build123d, string instruments, tin whistles, Irish music
- How to reach me: paul@fremantle.org
- Fun fact: I'm a qualified snowboard instructor
Current projects:
- build123d-mcp — MCP server for AI-assisted 3D CAD
- overstand — neck geometry calculator for arched string instruments
- estampo — reproducible 3D print builds (like CI/CD for your printer)
- purfroller — parametric purfling roller for instrument making
- Teleclaude — Claude Code via Telegram
Luthiery blog: paulfremantleluthier.substack.com
A short CV is here
My open source history — twenty years of OSS work, with attribution stated plainly.
My PhD work is in oauthing.
I previously taught on the Oxford Software Engineering Masters: