set maxdepth 100 10 * { ry 36 sat 0.9 } 30 * { ry 10 } 1 * { h 30 b 0.8 sat 0.8 a 0.3 } r1 rule r1 w 20 { { s 3 rz 5 h 5 rx 5 x 1 } r1 { s 1 0.2 0.5 } box } rule r1 w 20 { { s 1 rz -5 h 5 rx -5 x 1 } r1 { s 1 0.2 0.5 } box } rule r1 { }