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.(scale 8.936794083071376 
..(scale 8.053170372008376 
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....(scale 1.4204384461405266 
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......(v+ 
.......(vmax 
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...........(z 
............(offset 
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.............(height 
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........(z 
.........(gradient 
..........(offset 
...........(green-from-hsl velvet) 
...........(height 
............(vabs 
.............(z velvet))))))) [0.4061 -0.1928 -1.0101 0.2881])))))))