For 3.75 and 6 inch figures, the elevator leading to the Emperor's throne room where it's sort of been merged with the ROTJ Duel diorama found here: https://www.cgtrader.com/3d-print-models/games-toys/toys/star-wars-rotj-final-duel-diorama

Door is removable, therefore optional. The elevator is included as a a solid piece and a split version, as well as a version with openings in the lights, and can be used by itself or with the larger model.