c1 = Blend(GRAY4, GREEN, .1) c2 = Blend(GRAY8, YELLOW, .2) c3 = .5 * Blend(GRAY6, RED, .7) p1 = Clouds(0, 1, Scale = .1, Complexity = 5) p2 = Spots(0, 1, Spot_Size = .5, Softness = .5, Threshold = .5)

clr = Blend(c1, c2, p1)
clr = Blend(clr, .5 * c3 * (p1+2), Gain(p2, .8))

disp = p2 - .5

s = Surface(clr, 1, WHITE, 1, .01, Displacement = .2 * disp)

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)