(offset [-4.072195074713802 -3.2165233974525673] 
.(vdivide 15.417611512288854 
..(offset [4.663361121256882 -4.320581941348944] 
...(offset 
....(v+ wood 
.....(scale 
......(gradient 
.......(polar spots)) 
......(v+ 
.......(gradient plasma) pos))) 
....(scale 7.238796052307075 
.....(v+ 
......(vfrac vsplasma) 
......(v- pos 
.......(offset [0.8357516737068504 -2.529796932858704] 
........(vconcat 8.784625151617412 
.........(normalize 
..........(vmod 
...........(alpha 
............(vsin 
.............(square 
..............(vfrac 
...............(average 
................(green-from-hsl 
.................(height-normal 
..................(square 2.9082))) pos))))) wood)))))))))))