There are many ways of constructing/drawing geometric pictures.
This one is based on a repetition of a image . This image is then pasted in some particular points , in this case on the defining points of a regular polygon.
A lot of this images have been constructed before and are sometimes called polygon dissections. It is quite common in geometric drawing to reach to the same image using different ways of thinking.
Hexagons
Heptagons
Octagons
Nonagons
