On the surface of a hypersphere, a ribbon spans two orthogonal great circles, wrapping three times around one and five times around the other. This is a stereographic projection of one hemisphere of that structure. The cat did damage it slightly.


IN: 2.559 w x 2.559 d x 2.488 h
CM: 6.5 w x 6.5 d x 6.32 h
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