Use the Wall Opening tool to cut rectangular openings in a straight or curved wall.
To cut round or polygon openings, see Edit a Wall Profile.

Add an opening in an arc wall
To cut a rectangular opening in a wall
 (Wall Opening).
 (Wall Opening). 
  Where is it?
 Opening panel
Opening panel
 (Wall Opening)
 (Wall Opening) 
	  Opening panel
Opening panel
 (Wall Opening)
 (Wall Opening) 
	 After you specify the final point of the opening, the opening displays.
You can use the drag controls to modify the size and location of the opening. You can also drag it to a new location on the same wall, and add dimensions to the opening.

Modifying a selected opening
To create a cased opening
 Build panel
Build panel Component drop-down
Component drop-down
 (Component).
 (Component).