Binary Adding Machine

This is a 3D printable 1/2 scale version of the wooden binary adding machine by Matthias Wandel: http://www.sentex.net/~mwandel/See a short demo of the 3D printed version here: First time glitched on "32", but second time worked as it usually does: http://youtu.be/GhgaMkGWSNI I may make a better video showing how it adds up a series of numbers, up to 63. The machine resets or wraps around 64.Educational device to see the binary system in action. Watch as binary bits and bytes toggle in physical