https://github.com/davepinch/pinchy.cc/blob/master/content/camera-roll/2022/08/2022-08-19-gazebo-at-night-under-a-cloudy-sky.md
Hexagon (Wikipedia) In geometry, a hexagon (from Greek ἕξ, hex, meaning “six”, and γωνία, gonía, meaning “corner, angle”) is a six-sided polygon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.
