There's more to it than that. Frost patterns on windows really do resemble real plants such as ferns because both are examples of Iterated Function Systems (s

There's more to it than that. Frost patterns on windows really do resemble real plants such as ferns because both are examples of Iterated Function Systems (see https://en.wikipedia.org/wiki/Iterated_function_system https://en.wikipedia.org/wiki/Iterated_function_system).