flat computer generated self-similar l-system branching tree fractal dotted generative art

fractal art l-system lindenmayer rewrite system computer generated generative model self-similar self-similarity abstract branching self-contacting binary recursion endless repeating digital morphogenesis vector pattern design tracery tree plant weed herb grass branch umbrella umbelliferous umbellate inflorescence whisk wisp grainy stipple stippled stippling dot point dotted dotty mathematical mathematics curve