In regard to a fractal design being more efficient, you have to check out these topology optimized valves. They are really beautiful and peculiar, and have many

In regard to a fractal design being more efficient, you have to check out these topology optimized valves. They are really beautiful and peculiar, and have many branching channels to optimize their efficiency. http://www.senlin41.org/topology-optimization-of-tesla-type-microvalve/ http://www.senlin41.org/topology-optimization-of-tesla-type-...