Keys, knobs, step lights, scales, displays: orienting, signaling or as a noble visual effect:
Day and night designs can be found on machines, devices, control panels, cockpits - just to name a few.
The laser removes the light-blocking color layer from specially prepared plastic.
The exposed motif then glows calmly and filigreely in the desired color, even when not illuminated and is high-contrast and easily recognizable during the day.