This clock is a 12in by 12in square. It has three led lights on each side and are connected by shafts to connect the five different pieces. The middle part has a place for a printed circuit board and holes for wires to run through in the back. I worked on this project with Amman Klair this is his account http://www.thingiverse.com/Amman2/about. http://www.thingiverse.com/thing:1545926 is a link to Mr.Clymer's profile and it contains for the wiring and the code.