Comments (3)
I believe that that is 27 3x3 blocks together. You can sort of see where they divide.
I believe 7x7x7 is the largest number of squares to a side that is physically realizable, due to engineering constraints. Larger than that, physically constructing a usable cube that rotates as you expect and doesn't fall apart becomes a serious problem. (You can find computer simulations of much larger cubes, but you won't find actual physical realizations of them.) Hence, this must be a fake. Can anyone provide evidence otherwise that the pictured cube is not a fake? (i.e. rotates and doesn't fall apart?)
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if solvable it would a genius