startshape S1

/*background {b -0.2} not bad in white too… */ background {b -0.8}

rule S1 {CRISTAL {} S1{x 1.5 y 1.5 r 10 s 0.99}} rule S1 {CRISTAL {} S1{x -1.5 y -1.5 r 10 s 0.99}} rule S1 {CRISTAL {} S1{x -1.5 y 1.5 r 10 s 0.99}} rule S1 {CRISTAL {} S1{x 1.5 y -1.5 r 10 s 0.99}}

rule S2 {

CRISTAL {} 
S2 {x 3 r 40 s 0.9}

}

rule CRISTAL {FORM {} CRISTAL {s 1.1}} rule CRISTAL {FORM {} CRISTAL {s 1.15}} rule CRISTAL {FORM {} CRISTAL {s 1.2}} rule CRISTAL {FORM {} CRISTAL {s 1.25}} rule CRISTAL {FORM {} CRISTAL {s 1.3}} rule CRISTAL 2.5 {}

rule FORM {

SQUARE {hue 240 sat 0.15 b 0.4 a -0.9} 
SQUARE {hue 240 sat 0.15 b 1 s 0.96 a -0.9}

}