This is my third entry for #3DPNSpeakerCover​ challenge You can use these LED strips https://www.amazon.com/ALITOVE-Individual-Addressable-Programmable-Non-Waterproof/dp/B01MG49QKD/ref=sr_1_2?dchild I used double sided tape to keep them in place The top and bottom parts can be printed out in any plastic but the inserts should be printed out in translucent PLA with 100% infill. I used superglue to keep the inserts in place You can see the wiring in the picture its simple. https://myalbum.com/album/M8oCWiENUNnw The leds connect to an arduino digital output pin is d2 How it looks when on https://youtu.be/jGCg5zwlj4k Code: https://create.arduino.cc/editor/ignas19s/f303d7ff-e3c5-4430-b063-1beb58cefb08/preview