vertical framing expansion extend the image canvas vertically adjustment add approximately 1 5 image height at the top add approximately 1 5 image height at the bottom maintain original width and perspective composition rules keep camera position and focal length unchanged do not zoom out do not change furniture proportions preserve original perspective lines top extension extend ceiling and upper wall naturally continue white ceiling plane maintain soft daylight gradient no new objects or lighting elements bottom extension extend visible floor area downward continue existing tile grid seamlessly preserve tile scale and grout rhythm no distortion of floor perspective continuity constraints seamless architectural continuation no stretching artifacts no new design elements preserve material consistency