One of the things I wanted to do in 2015 was something with fiber optics. I was inspired by the fiber optic work at a Japan Disney Store and a turtle rock at Aulani. I got a plastic rock from Home Depot that is used to cover sprinkler valves. I bought the smallest dremel bit I could and drilled 1000 holes in the shape of a skull and crossbows. I then epoxied fiber optics into those holes. The bundles of fiber optics were then glued into a screw end PVC pipe fitting. These fittings connected to leds to screw terminals on the arduino. I then control the animation of the leds with that Arduino.