startshape FORME1 background {b -0.5 hue 170 sat 1}

rule FORME1 { TRIANGLE1 {b 1 hue 170 sat 1} }

rule TRIANGLE1 { TRIANGLE2 {s 5} TRIANGLE1 {s 0.7 x -2.3 b -0.1 r -10} }

rule TRIANGLE1 { TRIANGLE2 {s 5} TRIANGLE1 {s 1.2 x -2.5 hue +2} }

rule TRIANGLE1 { TRIANGLE2 {s 5} TRIANGLE1 {s 1.2 x -2.5 b +0.1 r 10} }

rule TRIANGLE2 { 100* {b -0.01 r 0.5} TRIANGLE {r 90 s 5 3} }