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I'll admit - I had to look that definition up. I had seen this type of thing, usually in its standard form with either a flip book type animation or a spinning disk. This one is quite interesting.
Using a 3D printer and some electronics knowlege, [Tobias] turned the concept into a true 3D experience.
See video and be amazed at what people come up with in their spare time...
Heres the linked story from hackaday.com
http://hackaday.com/2012/01/11/3d-printed-zoetrope/#more-65248