(dot 
.(v- 
..(vfloor 
...(v+ 
....(vfloor [3.7318577870732668 -4.086477081749095]) 
....(v- 
.....(vfloor pos) 
.....(radius pos)))) 
..(radius pos)) 
.(scale 3.577388370380673 
..(gradient 
...(vsqrt 
....(vmod 
.....(length 
......(blue-from-hsl 
.......(gradient 
........(height-normal velvet)))) 
.....(height-normal 
......(vdivide 
.......(z 
........(radius 
.........(adjust-hsl [-1.035 0.3685] pos))) 
.......(checker 
........(sigmoid [-2.4579 1.6986 2.5909]) wood))))))))