startshape CIRCRIJ rule CIRCRIJ { Sierpinski {r 180 y 2.4 x 2.2 s 2} 30 * {y -.5} CIRCCOL {} } rule CIRCCOL { 10 * {x .5} CIRCLES {} } rule CIRCLES { CIR {} CIRCLES {s .95} } rule CIRCLES 0.04 { CIRCLES {s .1} } rule CIR { CIRCLE {b 0} } rule CIR 2 { CIRCLE {b 1} } rule Sierpinski { CIRCLES { s 2} Sierpinski { s 0.5 r 1 y -1 x 0 } Sierpinski { s 0.5 r -2 y 0.5 x -0.866025 } Sierpinski { s 0.5 r 2 y 0.5 x 0.866025 } }