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A 3x3x3 with a lot of "useless" material removed.
This modification of 3x3x3 looks like a handmade Hollow Cube. Its name was given to it since many pieces of the original 3x3x3 are removed but compared with the Void Cube the outer pieces are reduced not the faces and core.
Weight: 70 grams
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann.
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