I do light painting and I ended up wanting some customized lighting implements.
gen3piano
8 buttons, 8 LEDs, constant current LED drivers, all through-hole
Schematic and PCB available, PCB orderable from DirtyPCBs
gen3basic
3 x 5mm LEDs, 3x APA102 5050 LEDs, 3 buttons, some surface mount
Schematic and PCB available, PCB orderable from DirtyPCBs