SketchUp has many visual style features and settings but sometimes simplicity is best to bring on clarity on a design presentation. At the face style options, “Hidden lines” might be just what you need to achieve that.
But if your model has curved surfaces with edges that won’t show on Hidden Line, you might want to activate “Profile” and set a pixel value of 1.
Go to the Window menu > Styles > Edit tab and under the Edge Settings (first cube) you’ll find the Profile checkbox and pixel width value setting.
On the model below, the background was set to white, and both ground and sky were turned off. Now let’s see a comparison: