But if you spend too much time staring at the show's fancy architectural models or sleek renderings, you may miss the curators' point.
There was no time after their meeting to prepare models and renderings reflecting the revisions.
The models and renderings of the plans simply do not convey how big the memorial really is or what it would be like to stand in its midst.
At the small scale of models and renderings, 4 World Trade Center didn't turn many heads.
"The kind of resources he can throw at a competition — models, DVDs, renderings — is 10 times what we can afford to spend," he said.
The museum has five rooms with models and renderings, above right, preserved as Castiglioni left them when he died at age 84 in 2002.
It's about sharing and shaping the world, and the triennial is at its most inspired in its display of architectural models and renderings.
There are vintage photographs -- including night pictures with the buildings aglow in sparkling light, courtesy of newly built hydroelectric power plants in nearby Niagara Falls -- architectural models and renderings, posters and paintings.
They warned, however, that the seductive images of renewal and peace now on display in videos, models and renderings at the Winter Garden would be hard to translate into the reality of a heavily trafficked space.
Just the prospect of a New York building designed by Mr. Gehry, the architect of the remarkable Guggenheim Bilbao in Spain, drew large crowds to the Fifth Avenue museum in 2000 and 2001 to see a 12-by-5-foot model of the East River structure, surrounded by smaller models and renderings.
