enhance the uploaded 3d architectural render to polished 4k quality while keeping the design and composition exactly the same treat the original image as a locked reference preserve the exact dimensions geometry proportions building shape wall positions ceiling heights rooflines window and door openings room layout and placement of every visible element keep all furniture fixtures cabinetry landscaping and surrounding features in their original positions and sizes maintain the identical camera position viewing angle perspective framing orientation and aspect ratio do not crop zoom rotate stretch or recompose the image improve only rendering quality sharper details cleaner edges reduced noise refined existing material textures and more natural lighting and shadows preserve the original material types colors finishes and overall appearance do not replace materials restyle the space or add decorative elements do not add remove move resize redesign or reinterpret anything if improving a detail would change the original design leave that detail unchanged export in 4k with at least 3840 pixels on the longest side preserving the original aspect ratio final result the exact same 3d render with improved clarity and realism only no architectural dimensional layout or composition changes
