5.  Add areas.

Now that the appropriate pieces of the model are defined (rectangles and circles), we need to add them together so the model becomes one continuous piece. This is done with the Boolean add operation for areas.

1. Main Menu:  Preprocessor
        -Modeling-Operate
             -Booleans-Add
                  Areas
2. Pick All for all areas to be added  -»

3. Toolbar:  SAVE_DB