(square 
.(rotate 
..(saturation-from-rgb 
...(sigmoid 
....(vabs 
.....(v+ 
......(vabs 
.......(offset 
........(vmod pos [-1.7661 1.2873 1.8687 -0.6559]) agate)) 
......(vdivide 
.......(vmax [-2.4667 0.6816] [1.0945 2.8833]) 
.......(sigmoid 
........(green-from-hsl splasma))))))) 
..(adjust-hue 
...(radius 
....(min-component 
.....(red-from-hsl 
......(vfrac 
.......(vmax 
........(vdivide [-0.2801 -2.024 -0.2967 -2.9181] vnoise) -0.3725))))) 
...(min-component grain))))