@EnglishBob

my PC should not complain, just a few hours on a single thread is nothing compared to a 48 hour render at 100% CPU load.

To avoid flooding on this forum thread I put things in a preliminary Case Study (pdf attached, loose the txt). Things work out well, with some lessons and side nodes. Saves you the wait till the final thing.

all the best

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though