Tails are assumed to act as stiff flat plates with continuous surfaces.

The two shapes now flowed together to form one continuous surface.

A Mobius strip is a continuous surface that has only one side.

Originally, the lobby floor was going to be a continuous surface of polished concrete.

The ground plane doesn't have to be a continuous surface.

You can rotate all seven to yield one continuous surface or mix them up.

The Klein bottle has a single continuous surface that passes through the bulb to connect inside with outside.

They treat the surface of the building almost like a textile, a rich continuous surface.

"The continuous surface of an egg makes a happy marriage with a hand, both left and right - and even a greasy one," he said.

This has the advantage that the sail need not be a continuous surface.