Zoom a Selected Area
You can zoom in on a selected area of a drawing/model for closer inspection. Select the area to be zoomed as follows:
- Do either of the following:- Select  Zoom
              Window in the tool strip. Zoom
              Window in the tool strip.
- Right-click to open the context-sensitive menu, and select  Zoom Window. Zoom Window.
 
- Select 
- Click the lower left corner point.
- Click the upper right corner point.
