(offset 
.(v- 
..(vfloor pos) 
..(radius pos)) 
.(scale 3.577388370380673 
..(gradient 
...(vsqrt 
....(vmod 
.....(length 
......(blue-from-hsl 
.......(length 
........(height-normal 
.........(adjust-hsl 
..........(sigmoid [-2.4579 1.6986 2.5909]) pos))))) 
.....(height-normal 
......(average 
.......(z 
........(radius 
.........(adjust-hsl [-1.035 0.3685] pos))) 
.......(checker 
........(sigmoid [-2.4579 1.6986 2.5909]) wood))))))))