keep everything exactly the same in the rendering do not change the layout walls doors windows shower niche plumbing fixtures wall tile lighting vanity or any materials only change the size and scale of the floor tile the floor tile should be the same exact material and color but the tile size should be changed to large format rectangular tiles approximately 16 x 32 reduce the number of grout lines so the tiles appear larger keep the tile layout straight do not change the tile material color layout direction or anything else only change the grain if the tiles to be going vertical for the wall and floor tiles keep the color and size and scale the exact same do not add anything else keep everything else exactly the same do not add anything else make the final image look like a realistic photo rendering with natural lighting and soft shadows