The blue and white dome sits on the north tower. The rollover image shows the intricate drawings that David did for the upper half of the North Tower.
"What were the benefits of building the model?"
¥ It satisfied my desire to create hand-made objects of Òmind-bogglingÓ complexity.
¥ Although my school years involved a fair amount of wood and metal crafting with my father and brothers, my professional career was as a financial executive for a large New York city bank.