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Another cuboid with half-regular dimensions that would have been impossible without CAD.
This cuboid's design went through at least two iterations. The first was printed, and presented by Karl-Heinz Diekmann in 2010. The second smaller and hollowed one was presented in 2011.
Interesting about this puzzle is its shape. Despite the 7x7x7 being a pillowed hexahedron this cuboid is not pillowed.
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, Blake Nors.
This puzzle can be found in collections of these members:
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