(rgb-from-hsl 
.(vmod 
..(blue-from-hsl 
...(v+ 
....(vfloor [3.7318577870732668 -4.086477081749095]) 
....(vmod 
.....(blue-from-hsl 
......(max-component 
.......(z 
........(hsl-from-rgb 
.........(adjust-hsl 
..........(sigmoid [-2.4579 1.6986 2.5909]) pos))))) 
.....(height-normal 
......(average velvet 
.......(checker 
........(sigmoid 
.........(adjust-hsl 
..........(sigmoid [-2.4579 1.6986 2.5909]) pos)) wood)))))) 
..(average 
...(z 
....(hsl-from-rgb 
.....(vmod 
......(blue-from-hsl 
.......(v+ 
........(vfloor [3.7318577870732668 -4.086477081749095]) 
........(vmod 
.........(blue-from-hsl 
..........(z 
...........(v+ 
............(vfloor [3.7318577870732668 -4.086477081749095]) 
............(v- 
.............(vfloor pos) 
.............(radius pos))))) 
.........(height-normal 
..........(average 
...........(z 
............(radius 
.............(adjust-hsl [-1.035 0.3685] pos))) 
...........(checker 
............(sigmoid [-2.4579 1.6986 2.5909]) wood)))))) 
......(height-normal 
.......(offset 
........(z 
.........(radius 
..........(adjust-hsl 
...........(sigmoid [-2.4579 1.6986 2.5909]) pos))) wood))))) 
...(checker 
....(sigmoid [-2.4579 1.6986 2.5909]) wood))))