I wonder if tesselated concave octagon shape is seen anywhere in nature. (https://robertlovespi.net/wp-content/uploads/2016/01/tessoct-radial.png https://robert

I wonder if tesselated concave octagon shape is seen anywhere in nature. (https://robertlovespi.net/wp-content/uploads/2016/01/tessoct-radial.png https://robertlovespi.net/wp-content/uploads/2016/01/tessoct...) I built my brand on this shape