I’ve been working on a compact field deployable lighting effects rig. Based on bike brake discs makes them really tough and easy to attach to ropes and cable ties. They can be daisy chained with a single IP68 connector providing both power and data.

A layer of clay between the WS2812 PCB and the brake disc allows the disc to act as a heatsink.

The control model is loosely based on an audio synthesizer - in the sense that there are various properties to change live that interact to produce different effects.