Arc Reactor Mark 1 inspired by things:
These guys are awesome designers.
This arc reactor uses led stripes instead of single led's and it doesn't need any kind of glue to assemble. It can be powered by a 9v Battery or an AC/DC adapter and it will make your room look great!
3D Solutech PLA
Spray painted with glossy black and aluminum for the base (matte black may look better).