sixty
[[1 arc 100 100 50 20 140 red 0.5] [2 arc 100 100 55 20 140 green 0.5] [3 arc 100 100 60 20 140 blue 0.5]]
sixty grid
sixty arc
logo one
logo two
logo three
logo four
[ [1 arc 100 100 50 20 140 red .5] [2 arc 100 100 55 20 140 green .5] [3 arc 100 100 60 20 140 blue .5] ]