Summary

Jewelry piece containing a simulated candle flame via Adafruit Pro Trinket microcontroller and LED matrix. How-to guide on the Adafruit Learning System:

https://learn.adafruit.com/animated-flame-pendant

Best printed at high-quality setting using transparent or translucent PLA (ABS not recommended due to shrinkage — space inside is very tight). "spacer.stl" can be printed at normal or draft quality; it’s only used temporarily during assembly.