is a figure with binary symmetry formed by an odd number of copies of
Here are the minimal known oddities for tetrapents.
Please write if you find a smaller solution or solve the unsolved case.
See also Tetrapent Pair Oddities
and Pentapent Oddities.
Each of these tetrapents has three cells pointing in the same direction.
Last revised 2018-03-12.
Back to Polyform Oddities
Col. George Sicherman