2. Once the SketchUp viewer has been downloaded, click on the picture above. This will allow you to download the SketchUp file of the 3D model on to your hard drive. (Note that this 117_Bahia_de_Casares070205_groundandfirst.skp file is 754Kb in size.)
3. When the skp file has been downloaded, open the SketchUp Viewer, and through it open the 117_Bahia_de_Casares070205_groundandfirst.skp file.