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