Minkowski

Minkowski Sausage

The fractal resulting by replacing each side of the square with the broken line shown and applying this procedure repeatedly on the resulting polygons. Below is a collection of the 7 first such polygons. Their side-number is s(n) = 4*3^n. The last polygon having s(7) = 8748 sides.

http://users.math.uoc.gr/~pamfilos/