It has been pointed out that Roy Naisbit is one of the few real geniuses in animation.
However, that isn't just limited to providing funky layouts that mess with your mind when you pan along them.
A shortage of motorized peg-bars on a rostrum camera will ultimately limit ones ability to have complicated multi-layer scenes.
Here is, reconstructed from memory, a background Roy once showed me in the basement of 138 Royal College Street.
I can't vouchsafe for the total accuracy of my version, but in principle, that's how it worked.
It was big, about 4 feet by 4 feet and it was the most beautiful thing I had seen up until then.