I think I agree that the long render time is from the giant transparency layers that implement the atmospheric effect. Even Poser 7 and Poser Pro are slow when using ray-traced shadows with those things.

Aeilkema, I totally agree with you that Poser needs to improve how it deals with transparency. It's just too common. I discussed it with SM at length, and they explained the technical limitations to me. I have to confess that because I have unbounded confidence in my ability to do the impossible, to do what 99.99% of engineers say is incredibly difficult, I asked them to give me the source code and I'd fix it. They haven't taken me up on that offer yet. ;-)

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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)