Fig. 3: Interior models of the western four bays and eastern five bays of Juanqinzhai.

a Axonometric view indicating the spatial relationship and functional zoning of the western theatrical space and the eastern residential space. b Sectional perspectives of the two interior units showing enclosure depth, viewing direction, and canopy position used for boundary extraction and prompt parameterization. c In-situ photograph of the eastern five-bay interior providing the real-scene reference for stylistic features, material mapping, and spatial verification.