This nifty M.C. Escher Waterfall Desktop Sculpture from ThinkGeek is the perfect accessory for any desk. Continue reading for a 3D video explanation.

…we discovered that by closing one eye, and viewing this sculpture from just the right angle we could bring the amazing work of M.C. Escher to life. Of course a casual glance with binocular vision destroys the entire illusion… but hey it’s still a very cool little sculpture that really captures the detail of the original Waterfall woodcut

[via Uberreview]