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Fun Block is a multi-origin puzzle with five axes of rotation. It can be viewed as shape variant of the Fully Functional Siamese 2x2x2.
The Fun Block puzzle is a six sided block with five axes of rotation, originating at three different points. One axis at the center of the puzzle allows pieces from the two halves to exchange sides, and the four peripheral axes allow 90 degree turns. This lets the orbiting pieces change orientation, which leads to the shape-shifting capability of Fun Block.
Thank you to the following people for their assistance in helping collect the information on this page: David Pitcher, Andreas Nortmann.
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