Animating section cuts in Google SketchUp is easier than you might think. Grab the Section Plane tool and click in your model to place the section. I like to hide the actual section plane. With your section in place, add a Scene tab. Grab the Section Plane tool again, and place a section cut in a different location. Once again, add a Scene tab. Clicking between the two tabs will animate the cut. If you only want the Scene tabs to animate the section cut… … and not save the camera view… … you can specify that in the Scene Manager dialog.