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 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 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 shower floor to the tiles label shower floor tile 1 x1 lastly make the rest of the floor and wall tiles a light gray with little vein that are very faint keep everything else exactly the same make the final image look like a realistic photo rendering with natural lighting and soft shadows