The 3D Heesch Hemiobelisk: a nonzero-Dehn-invariant hexahedron with a complete corona

edp · September 14, 2026, 7:05pm

The 3D Heesch Hemiobelisk_800

wolframcommunity · September 14, 2026, 8:55pm

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The 3D Heesch Hemiobelisk: a nonzero-Dehn-invariant hexahedron with a complete corona

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