At the same time, (synthetic) human faces generated with perfect symmetry fall into Uncanny Valley territory. Perhaps, when it comes to our perception of the na

At the same time, (synthetic) human faces generated with perfect symmetry fall into Uncanny Valley territory. Perhaps, when it comes to our perception of the natural world, we subconsciously do appreciate an imperfect symmetry -- something that is symmetrical but only to a certain scale. I wonder if there are other well studied examples of such an effect.