do not change replace reinterpret or modify any existing materials textures colors finishes or patterns maintain the exact tile sizes tile orientation grout lines stone veining flooring wall colors glass panels and plumbing fixture finishes do not add remove move resize or redesign any objects or architectural elements preserve the exact geometry proportions dimensions shower enclosure niche bathtub windows roman shades fixtures and accessories do not change the camera angle perspective framing or composition only improve the rendering quality through realistic natural daylight accurate shadows subtle reflections realistic glass transparency ambient occlusion and physically accurate material lighting maintain neutral balanced daylight without excessive warmth yellow tones or dramatic sunlight preserve the original color temperature and material appearance the final result must look like a professional architectural photograph of the exact original sketchup design not a redesign treat the reference image as a locked design the only permitted changes are improvements to lighting realism and image quality