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A 3x3x3 truncated into three round surfaces in a spiral pattern.
The Penrose Cube is a cube of three surfaces named in this way in honor to the physical mathematician Roger Penrose since looking at from the vertex reminded the inventor to the triangle of Penrose.
This shape hat three round surfaces. It is the rounded version of the Spiral Edges Cube, see the separate entry.
Thank you to the following people for their assistance in helping collect the information on this page: Antonio Garrido Rubio.
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