I wish SketchUp would put out a little technical paper on how to make more efficient models for rendering speed.
With the work I do it is easy to overload SketchUp. For example, I like to do lush landscapes. If I put in a lot of 3D plants and trees I can quickly degrade performance. Also, I work on town plans. Imagine if you put in detailed houses for every house in a small town. And then if the bathrooms in the houses had beautifully detailed bathroom sink faucets. I see components for a faucet that have thousands of polygons and that are multiple megabytes in size. Does SketchUp have a way to ignore these very small items that will not be visible? Can components display quicker than the same polys in a block or independent? If I draw lines on a polygon’s face (which creates polygons in the same plane) does that slow things as much as the same number of polygons but not in the same plane. I have lots of questions like that.