Reflections and strange stains


#1

Hi, I have a question,
when rendering the scene where they should bounces items,
I see strange spots (not on all, and regardless of the material)
and I have no idea of what they depend. Someone can help me?,
I use SketchUp 2013 and V-Ray 2.0


#2

Moving this to the Extensions category as it is specific to a 3rd party Extension.