...
Under Views on the right side of the Process Definition window, select New View
to 
to create a new view for the assembly.
A new view named Assembly View 1 is created.To rename a view, select the Edit
button (the pencil) to the right of the view name, enter a new name (Transparent View 1, for example), then select the Save 
button 
button to the right of the name.To remove a view, select the view name on the right side of the window, then select the Cut View
button 
button (the scissors).To copy a view, select the view on the right side of the window, select the Copy View
button
button, then select the Paste View 
button 
button to add the new view to the list. The new view will have the default name Assembly View n. (Each time you create a new view, its number is incremented by 1.)
...