The TC100 "Relaxed" series of gaming chairs offers a broader seat width and minimal bolstering on the sides to fit a wider range ... This chair is reclinable up to 160 degrees and has 2D armrests.

2D/3D Chairs Installation by Yoichi Yamamoto Architects. The back of the chairs stand up from the stage, while the legs of the chairs are drawings on the floor of the stage.