use the original image as a locked base image edit only the selected ceiling and wall fabric material areas using the fabric sample i provide this is a masked material replacement only it is not a new render it is not a redesign it is not a restyling it is not a scene regeneration critical instruction everything outside the selected ceiling and wall mask must remain pixel identical to the original image do not reinterpret the room do not recreate the room do not generate a new version of the room absolutely do not change do not change the image dimensions do not change the aspect ratio do not change the resolution do not crop the image do not zoom in or out do not change the camera angle do not change the viewpoint do not change the perspective do not change the framing do not change the composition furniture lock all furniture must remain exactly unchanged do not change the sofa the sofa shape the sofa size the sofa proportions the sofa position the sofa cushions the sofa arms the sofa backrest the small table in front of the sofa the cabinets behind the sofa the bed the headboard the desk the chair any built in furniture any decorative object the small table in front of the sofa must remain visible unchanged and in the exact same position the sofa must remain exactly the same shape size position geometry and silhouette the cabinets behind the sofa must remain exactly the same with the same shape size wood finish doors panels alignment and position architecture lock do not change walls geometry ceiling geometry ceiling slope ceiling lights spotlights vents wooden trims panel seams wall edges ceiling edges floor wood paneling shadows lighting material change only apply the new fabric material only on the selected ceiling and wall surfaces keep the existing ceiling shape wall shape slopes panels seams joints edges trim lines light positions vent positions the new fabric must follow the existing ceiling and wall surfaces naturally with realistic texture correct scale correct pattern orientation natural shadows and photorealistic materiality do not extend the fabric onto the sofa cabinets furniture floor wood panels lights vents or any object fail safe instruction if you cannot replace only the selected ceiling and wall material without changing the furniture image dimensions camera angle perspective sofa cabinets or table then leave the image unchanged final requirement the final image 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 selected ceiling and wall fabric material nothing else
