A hexaflexagon is a hexagonal flexagon.
Flexagons are usually square or rectangular (tetraflexagons) or hexagonal (hexaflexagons).
by Phayt January 20, 2008
Can you define these popular missing words?
a 3d hexagon that can be folded an unlimited amount of times
Is that a hexaflexagon? Cool!
by Karate_Potato May 16, 2016