the floor space of the counting room where they commited fruad with suitcases of ballots. matches the floor space of the twin peaks show.

in the show the zig zag black and white is meant to symbolically represent a meeting and melding of two worlds, the world of evil and the world of good. dark and light, intermixing. it is meant to show that the room in that scene is a portal or meeting space between the two worlds.