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 green highlighter area to a modern window in white and the red hightlight are is a door make the door a modern flush mount door no panels keep the same size and scale on for both the window and door that is shown 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