Hex-Convex Shapes from the Seven Tetrahexes

A polyhex is said to be hex-convex if every line joining the centers of two of its cells lies in its interior. Here are all the hex-convex polyhexes that the seven tetrahexes can form:

The numbers tell how many distinct tilings each 28-cell polyhex has.

For the one-sided tetrahexes, see The Poly Pages.

Last revised 2025-09-01.

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Col. George Sicherman [ HOME | MAIL ]