I found the posts and restored the thread to the Presentation/Rendering forum here:
http://archicad-talk.graphisoft.com/viewtopic.php?t=25730
Can anyone remember if that is forum where this thread used to be?
[No clue as to why the thread went away.]
Karl
One of the forum moderators
AC 28 USA and earlier • macOS Sequoia 15.2, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB