1248. Except for in an alternate dimension, it is physically impossible for something to only have two dimensions. The three dimensions are height, length/width, and depth. And everything in our universe has a measurement of depth of some kind, from 3,000,000,000 kilometers to 0.00000000000000000000000000000000000000000000000000000001 nanometers. Even an art piece, except for digital art, would have a small layer of paint, ink, lead, etc.