In the three images below, you'll observe that each installed solar panel is rotated slightly off from its neighbors, often by only a few degrees. This usually isn't noticeable up close, but it is observable when seeing thousands of panels with reflections, and is important for making a rendering look more realistic. When developing a solar array in SketchUp, I have about two dozen solar panels (each an instance of a component) attached to a rack of panels, and the rack plus the panels is itself a component. Then I put down a few hundred components. I want to then slightly randomize the orientation of the solar panel components in two different dimensions, in the way that the "greeble" function displaces faces. Is there a way to do this? Maybe a SketchUp extension, instead of something in Twilight Render? Or, is there a way to slightly alter each panel's material prior to the render, to apply a very slightly modified normal map that would give the same effect?
