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He topped the whole thing off with a swooping, saddle-shaped roof — a hyperbolic paraboloid in design-speak — that gave it a distinct presence.

We are resistant to change in food packaging, attached to our squeezy honey bear, Toblerone’s triangular prism, the resealable paperboard tube that houses Pringles’s neat stack of hyperbolic paraboloid chips.

The shape is not a pyramid, actually, but a hyperbolic paraboloid, rectangular on the ground, with a swooping roof-facade, a bit like the billowed sail of a ship, sweeping upward from 12th Avenue to the mast’s peak at the northeast corner of the site, 467 feet high.

It includes the hyperbolic paraboloid, or off-center pyramid, above.

The 32-story building may resemble an off-center pyramid, but the architects prefer to describe it as a hyperbolic paraboloid.