confluence of boxen

set maxdepth 256 {x 2 s 5 y 0 sat 0.5 hue 200 ry -45} root rule root { 16 * {rz 80 s 0.9 hue 15} squig } rule squig { wiper } rule wiper md 36 { {y -0.5} wpanel {rx 10 y 1} wiper } rule wpanel { {rx 45 ry 45 s 0.1 1 1} box }