Pertaining to the quality settings under Render settings, onething to keep in mind is that these quality settings affect thenumber of ray bounces which is evident by the following images. Thefirst image is rendered on the good setting, the second on the maxsetting. Notice the internal bosses in the handgrip areas, and thatwith increased ray trace bounce setting (max setting), they aremore transparent.SolidworksPhotoview 360