startshape SEED1 rule SEED1 { SQUARE{} SEED1 {y 1.0 size 0.99 rotate 1.5 brightness 0.02} } rule SEED1 0.05 {SEED2 {}} rule SEED2 { SQUARE{} SEED2 {y 1.0 size 0.99 rotate -1.5} } rule SEED1 0.05 { SQUARE{} SEED2 {y 1.0 size 0.99 rotate 1.5} SEED1 {y 1.0 size 0.6 rotate -60} SEED2 {y 1.0 size 0.5 rotate 60} } rule SEED2 0.05 { SQUARE{} SEED1 {y 1.0 size 0.99 rotate 1.5} SEED2 {y 1.0 size 0.6 rotate -60} SEED1 {y 1.0 size 0.5 rotate 60} }