startshape self_dividing_grid //TGT rule self_dividing_grid 0.2 { BRUSH { } } rule self_dividing_grid { self_dividing_grid {s 0.5 1 x -0.25} self_dividing_grid {s 0.5 1 x 0.25} } rule self_dividing_grid { self_dividing_grid {s 1 0.5 y -0.25} self_dividing_grid {s 1 0.5 y 0.25} } rule self_dividing_grid { self_dividing_grid {hue 10}} rule self_dividing_grid { self_dividing_grid {hue -10}} rule BRUSH { CIRCLE {s 0.7 } SQUARE {s 1.2 alpha -0.7 sat 1 b 1} CIRCLE {s 0.6 b 1} } rule BRUSH 5 {BRUSH {r 1}} rule BRUSH 5 {BRUSH {r -1}}