use the original image as the base image and perform a local material edit only replace only the fabric material on the selected ceiling and wall areas using the fabric sample i provide this is a material replacement only it is not a redesign not a re render and not a regeneration of the room critical instruction everything outside the selected ceiling and wall areas must remain pixel identical to the original image do not change anything else do not change image size image dimensions aspect ratio resolution camera angle viewpoint perspective framing composition lighting shadows floor bed headboard sofa tables desk cabinetry chairs decorative objects architectural details wood paneling wooden trims ceiling lights spotlights vents wall panels seams edges strict geometry preservation keep the ceiling and walls exactly the same same shape same slope same proportions same panel layout same seams same joints same edges same trim lines same spotlight positions same vent positions same wooden frame positions do not crop the image zoom in or out resize the image move any object remove any object add any object redesign any part of the room alter the room geometry material application apply the new fabric sample only on the existing ceiling and wall surfaces the new fabric material must follow the existing ceiling and wall geometry naturally keep the same planes and panel divisions have correct texture have correct scale have correct pattern scale have correct pattern orientation have realistic shadows and highlights look photorealistic and high end do not distort enlarge shrink or misplace the pattern do not change the ceiling lights vents trims or wall details fail safe instruction if the edit cannot be done without changing any other element then leave the image unchanged rather than modifying furniture geometry lighting or composition final requirement the final result must be identical to the original image with the only visible change being the fabric material on the selected ceiling and wall areas only replace the ceiling and wall fabric material nothing else
