Strange shading artifacts with AO

Have been observing this for a while, that somehow the AO is creating errors when “thin” geometry is in front of other shading elements.

can this be prevented somehow?

image

bump.

these artifacts lead to misinterpretations… client asked why is there a glass filling in there now?
image

image

Can you please upload a file so someone can look at it?

sure.

i can’t share the original file, but the abstraction attached shows what I mean very clearly:




AO_bug.3dm (372.1 KB)

Hello - yep,I see that, thanks, I’ll add the example to the pile.
RH-57810 AO can be misleading

-Pascal

merci.