If your model is geolocated with the Add Location feature and you want to display it in Google Earth, you may need to take a few extra steps. Here’s a quick overview of the tips and tricks that help your model looks its best in Google Earth:
Drawing a model in 3D is different from drawing an image in 2D. This introduction to drawing basics and concepts explains a few ways you can create edges and faces (the basic entities of any SketchUp model). You also discover how the SketchUp inference engine helps you place those lines and faces on your desired axis.
The first time you use SketchUp, you need to sign in to activate your trial or subscription. After you're signed in, the Welcome to SketchUp dialog box appears, as shown here. This dialog box is your starting point for creating a model and appears every time you start SketchUp (unless you choose to turn it off in the SketchUp Preferences dialog box).