(sigmoid .(v- ..(adjust-hsl ...(red-from-hsl wood) ...(min-component ....(v+ .....(square 1.5539) [1.0213 1.9159]))) ..(height-normal ...(vsin ....(z .....(t ......(min-component .......(turbulate [-0.7628 2.5257] ........(green-from-hsl noise)))))))))