cells a plant cell cellular automata general idea 1, 2 row / block glider / fish gospers glider gun elementary cellular automaton wolfram general idea 1, 2 rule 50 rule 127 rule 126 rule 30 sea shell voronoi diagrams interactive grid plant cells spiral in nature l-systems plants concept triangle 1, triangle 2 plant 1, plant 2 3D reaction diffusion labyrinth in nature spots waves scale rotate translate duplicate example 1, example 2, example 3 truchet tiles, ex 1, ex 2 music and sound sound waves chladni patterns real harmonograph example 1, intevals, chord (a little bit of) fractals lorenz attractor concept butterfly buddhabrot / the buddha