Quote - The lines on the stairs - isn't that just moire?

*It's moire than I can tolerate. Is there a render setting in Poser that might reduce this?

I hope people are clicking on the images for the clear examples. The thumbnails have all kinds of moiré.

It looks like simpe aliasing to me. Try a higher number of pixel samples, and either gauss/2 or sinc/4 for post filter and filter size.