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A Bump Cube (aka Mirror Blocks) truncated into a cuboctahedron.
This variant of the 3x3x3 combines two shape transformations. The Bump cube is a 3x3x3 with a correct oriented but misplaced axis system inside of the cube. The cuboctahedron is one of the oldest mass produced shape transformations of the 3x3x3.
Here a mass produced bump cube was truncated to combine both concepts.
In 2021 Ilya Toporgilka presented a version with stickers that are more common to Bump Cubes. See image 3.
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann.
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