Figure 13.4 shows a fi rst angle orthographic projection of a support. To construct a Scale 1:1 3D model of the support in a Four: Equal viewport setting:

1. Click View in the View/Viewports panel. In the Viewports dialog make sure the 3D option is selected from the Setup pop-up list and Realistic from the Visual Style pop-up menu and click the OK button of the dialog. The AutoCAD 2010 drawing area appears in a Four: Equal viewport setting.