Check this out: Change the blender a little bit - use a marble with it like this:

maxblend = .5
bruiseblender = maxblend * Scale(r, br, br / 2)
bruiseblender = bruiseblender * Marble3(.5, 1, scale=.5)

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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)