If you want to explore the remaining methods of creating this model, the current structure will have to be entirely deleted.

1. To select all plates, either:

   click-and-drag a window around all three plates using the Plates Cursor tool

   or

   press <Ctrl+A>

   or

   on the Geometry ribbon tab, select the Plates Cursor > All Plates tool in the Selection group.

2. Either:

   press <Delete>

   or

   on the Plate Tools ribbon tab, select the Delete tool in the Clipboard group

   A message dialog opens to confirm the deletion of the selected plates.

3. Click OK A message dialog opens indicating that orphan nodes have been created and to confirm their deletion.
4. Click Yes. The entire structure is now deleted.