interior shot add a custom built in corner bunk bed identical in style to the reference image twin over twin configuration with floor to ceiling square columns horizontal beams and integrated trim soft warm white painted millwork with clean shaker detailing upper bunk with vertical slat guard rail and flat wood cap rail lower bunk recessed with two integrated drawers and a pull out trundle bed beneath architectural permanently built in appearance not furniture accurate scale realistic proportions photorealistic interior rendering keep all existing room elements unchanged walls ceiling window lighting floor
