Patent 7153454 was granted and assigned to University of Southern California on December, 2006 by the United States Patent and Trademark Office.
A multi-nozzle assembly may include a first nozzle configured to extrude material through a first outlet; a second nozzle configured to extrude material through a second outlet; and a third nozzle configured to extrude material through a third outlet, the third outlet being between the first and second outlets. Related construction processes and wall structures are also disclosed.