3D printing has promised us a future where everything will be available on demand, not just media. But in the meantime the technology seems to have found a niche as a way to produce mind-boggling geared creations that appear to skirt the laws of physics and the universe.
If you're calling shenanigans on Henry Segerman's triple-geared creation, you can actually order and try one out for yourself from Shapeways for $40. Or just stomach your cynicism, save yourself some money, and marvel at this video of his creation. [Shapeways via Make]