What I mean is that the paternoster is usually smaller than an elevator. So in the vertical footprint of a typical elevator, I think you could fit 1 or 2 patern

What I mean is that the paternoster is usually smaller than an elevator. So in the vertical footprint of a typical elevator, I think you could fit 1 or 2 paternosters (2 to 4 cars, since each paternoster has 1 car in each direction looking vertically).