Template:Rendering mr nurbs surface approximation

To enter the 'Surface Approximation' menu, go to the mental ray tab in the 'Render Settings' window and open the 'Overrides' options. By clicking on the checkerbox behind the 'Surface Approx' dropdown menu the attribute editor for 'mentalraySurfaceApprox1' opens.

In the attribute editor for 'mentalraySurfaceApprox1' there are several presets . The 'Angle Tolerance' and 'Pixel Length' presets are usually sufficient. Choose one of these presets and test which preset gives a satisfying result.