use the original image as the locked base image replace only the fabric material on the selected ceiling and wall areas using the fabric sample i provide this is a local material replacement only it is not a redesign not a re render not a restyling and not a regeneration of the room everything outside the selected ceiling and wall surfaces must remain pixel identical to the original image locked elements do not change do not change the sofa in any way the sofa must remain exactly the same same shape same size same proportions same position same upholstery same color same cushions same arms same backrest same seams same visible edges do not change the cabinets behind the sofa in any way the cabinets behind the sofa must remain exactly the same same shape same size same wood color same material same position same doors same panels same handles same alignment same shadows do not change the sofa the cabinets behind the sofa the table in front of the sofa any furniture any wood paneling any built in cabinetry any decorative object lighting shadows floor bed headboard desk chairs ceiling lights vents trims architectural details camera angle perspective framing composition image size image dimensions aspect ratio resolution ceiling and wall material only apply the new fabric material only to the existing selected ceiling and wall surfaces keep the ceiling and walls exactly the same same geometry same slopes same planes same panel layout same seams same edges same joints same trim lines same light positions same vent positions do not alter the shape depth thickness or position of any wall or ceiling element the new fabric material must follow the existing ceiling and wall surfaces naturally keep the same panel divisions have realistic texture have correct scale have correct pattern orientation have natural shadows and highlights look photorealistic and high end fail safe instruction if the edit cannot be done without changing the sofa the cabinets behind the sofa or any other object then leave the image unchanged final requirement the final image must look identical to the original image with the only visible change being the fabric material on the selected ceiling and wall areas only replace the selected ceiling and wall fabric material do not change the sofa do not change the cabinets behind the sofa do not change anything else
