I did some clinics at Ohayocon with Alexander from Armor Academy. Learned chain maille and scale maille. Now I have ideas. This might get weird. Like anyone reading this would be surprised by that.

Electroluminescent wire.

Gikfun SMD soldering practice board.

Epoxy potted LEDs in a badge prototype. Clearly need more LEDs. Also need a custom PCB and Neopixels. If I can pull this off, it will be Arduino powered and repeat my brake and reverse lights. Making the badge itself is the hard part.