Now I've made the tubes still larger relative to their spacing. Another way to describe this is that the tubes are more "dense". Keep this in mind, because when we get to the actual shader, you'll be controlling this density via a parameter.

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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)