As 3D printing technology advances, we’re seeing more and more amazing things. This Kinetic Ring is one of them. It features three ruby spheres that move along a printed track made out of sterling silver.
If I had one of these, I’d never get anything done because I would be too busy playing with the shiny.
See it in action in the video below.
Product Page ($275)
(via 3DPrint / GIF: Fashionably Geek)