View this project on CADLAB.io.
arduino and pcb files for holo clock
published http://hackaday.com/2014/12/01/3d-printed-clock-tells-time-with-gears/
3d files here http://www.thingiverse.com/thing:570797
for sale here https://www.tindie.com/products/ekaggrat/holo-clock-2/