NOTE: 3D-PRINTED PARTS ONLY, MOTOR NOT INCLUDED.
Gear Tower Clock is a free-standing clock mechanism. Due to some mechanical-engineering magic, the gear tower stands tall and does not topple. A previous version was hand cranked and it has an hour and a minute hand. This version also has a seconds hand, and it is motor-driven.
Watch the YouTube video.
Read at the Shapeways Forum.
Read more at the Non-Twisty Puzzles Forum.
See also Reddit and Imgur.
Buy the parts colored as follows:
Buy the USB-powered stepper motor plus print from Bitwizard.
Please order a 3D-printed do-it-yourself kit from Shapeways at this page (check with Oskar about motor, screws and stickers), or contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this contraption.