People,
I made a glowing dodecahedron using something called "Modular Origami" and a super bright RGB LED. I controlled it using an Arduino to produce some pretty nice effects.
Instructions and related stuff about this simple project can be found at my blog at : https://abhikpal.github.io/blog/2014/01/01/paper-glowdrons. And here is a pic of how it looks after completion: