Here are the minimal known tri-oddities for the dihex, trihexes, tetrahexes, and pentahexes. Please write if you find a smaller solution or solve an unsolved case.
Mike Reid found the red pentahex solution, and proved that the straight trihex has no solution.
For hexahexes, see Hexahex Tri-Oddities. For heptahexes, see Heptahex Tri-Oddities.
[ Dihex | Trihexes | Tetrahexes | Pentahexes | Mirror Symmetry ]
