Article / Updated 03-26-2016
Most floors and walls are flat surfaces, so it’s easy to model them with straight edges and flat faces in SketchUp. In fact, chances are good that the first thing you ever model in SketchUp looks a lot like the floor and walls of a building.
Most people want to create two kinds of architectural models in SketchUp; how you approach modeling floors and walls depends entirely on the type of model you’re making:
Exterior: An exterior model of a building is basically just an empty shell; you don’t have interior walls, rooms, or furniture to worry about.