Trees are the great form of nature and this the shape made many inspiration for numerous artists of mathematical art. I've posted several collections of fractal trees and pythagoras trees. And we've also met with combination of tree-like shape with spiral. Spirals are one of basic mathematical shapes and they are harmoniously match to branchy tree figure. Also spiral is the shape that very close to fractals. Below, you can see several spiral shapes, which look very interesting for me. They...
