It is the original idea that is unique, not the object itself.

'Sabotage' was a work for hire. It wasn't my original idea or script or anything.

An original idea. That can't be too hard. The library must be full of them.

Today, people tend to credit me with having the original idea and made the first circuits.

The real Antichrist is he who turns the wine of an original idea into the water of mediocrity.

The original owners conjured up that idea. This was something they felt they wanted to do.