Imgur comments: http://imgur.com/NcusQN4
Stashed in: gifs, 3D Printers, Puzzles!
A Redditor 3d printed these. Took 10 hours to print and 10 minutes to get bored.
500 Reddit comments:
More of these kinds of puzzles: http://youtube.com/user/OskarPuzzle
Philosophy Referee Hand Signals
Rescued Badgers Snuggle Up at Secret World Wildlife Rescue Center
This giant duck could provide solar and hydro power
Strokes of genius: Here's how the most creative people get their ideas