(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 [-2.4579 1.6986 2.5909]) wood)))))) 
...(average 
....(z 
.....(hsl-from-rgb 
......(adjust-hsl 
.......(sigmoid [-2.4579 1.6986 2.5909]) pos))) 
....(checker 
.....(sigmoid 
......(gradient 
.......(vsqrt 
........(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)))))