Ambigram Yes (tessellation)

60° rotational symmetry.

Six orientations. Created from a pentagon containing a 60° angle and a 120° angle (isohedral type IH21 from the book Tilings and Patterns by Branko Grünbaum and Geoffrey Colin Shephard). Yes are also an English progressive rock band.

26 August 2021

This drawing is available on Wikimedia Commons with a free license CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International) - © Basile Morin