Re: Maya mental ray Rendering Trouble

Do you happen to be running this render on a renderfarm or more than 1 machine? What you are seeing is inconsistent caustics sampling between buckets (the squares are buckets). Try rendering using only one processor. If the problem still persists then there may be a bug in that shader for maya 7.0 If it does go away then it means that the processors that are running the render are not compatible with each other and lend different results. This is why all renderfarms have the exact same type of processor in all computers that occupy the renderfarm