the left wall must be completely vertical and the right wall must be slanted so that they form a triangular peak at the top of the room adjust the central shelves so they follow the slope of the right wall perfectly fitting inside the triangular space keep all other furniture colors textures and the overall room layout exactly as they are do not alter the shape of the room itself or any other objects the triangular shape must only affect the left wall right wall roofline and central shelves emphasize the triangle clearly
