Printed Gear Heart
[youtube http://www.youtube.com/watch?v=SRU2ZG2oULU]
Stephen says “printed a copy of this screw-less Geared heart found on Thingiverse. It took about 8 hrs to print it. Made it for a birthday for one of my friend. More info http://www.abluestar.com/blog/making-a-gear-heart/“