keep the bathroom layout exactly the same do not change the layout vanity mirror lighting plumbing fixtures glass niche walls or camera angle only update the materials change the shower wall tile to match the blue tile shown in the reference image color size texture and grout color change the bathroom floor tile to match the hexagon tile shown in the reference image color size and grout color make the tiles look more realistic with realistic tile texture visible grout lines slight variation in tile color natural reflections on tile realistic lighting and shadows do not change tile layout pattern bathroom layout vanity mirror lighting plumbing fixtures glass wall color the only change should be the shower wall tile and the floor tile materials make the final image look like a photorealistic rendering like a real photograph important use the reference images only for material and color do not redesign the bathroom