The Ducks 3D Astral Realm Representation System (D3ARRS) is a method of graphing the different parts of the Astral Plane in an easy to read, human-legible format.
The Ducks Model groups the Astral plane in 5 sections known as levels. It describes these leves as being stacked on top of each other, each having an undefined depth, space, and boundary. It is possible to move from one plane to another, as they are all entangled and are limitless. The Ducks model simply groups certain parts of the plane depending on their inhabitants and energy level(often measured in protein power), among other things.