OK well here's one layer of fibers in 6 nodes. I placed a seventh node to control the scale - the number in the lower right.

I also placed a blender and a noise to combine a cloth color with the fibers.

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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)