# Cycloidal Gearbox Built by 15-Year-Old Hobbyist Engineer

A 15-year-old aspiring engineer shared a cycloidal gearbox they built from scratch. The project showcases mechanical design and fabrication skills. It highlights how young makers use online communities to share their work and inspire others.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://github.com/tom-ilan/cycloidal_gearbox) — Sun, 02 Aug 2026 02:07:09 +0000