Inspired by Green Lantern. Designed to fit three 1.5x3.0x10.0mm vials.
Shapeways only produces the rings. you'll need to source the tritium. I've provided vial size info in the description of the rings. Please educate yourself on the potential health risks of tritium and the import restrictions for your respective country. May I sugest http://www.physics.isu.edu/radinf/tritium.htm Thanks for your interest -Jarvis