Use case: photorealistic-natural. Create ONE finished photographic website background for a coherent collection named Prism studies. Premium material still-life photography of real thick optical glass and physically believable refracted sunlight, captured on a medium-format camera. Architectural restraint and tactile detail: small irregular air bubbles within cast glass, fine moulded ribs where specified, plausible beveled edges, dense colored edges, subtle surface imperfections, contact shadows, realistic internal reflections and luminous but controlled caustics. The glass must look photographed, never glossy CGI, a plastic render, a generic abstract blob, a torus or a floating chrome object. Color comes from the glass and light, never an added digital gradient or haze. Deliberate asymmetric composition, no unnecessary props, no vase, no flowers, no sphere, no letters, typography, logos, watermark, browser, UI, border, collage, contact sheet or people. Output ONE standalone edge-to-edge image in the stated aspect ratio, using the highest native detail available. Preserve the requested calm copy space; keep sharp visual detail and bright caustics out of it. Scene and framing: A horizontal 16:9 photographic still life. One rose-tinted rectangular cast-glass pane leans gently against a pale warm plaster wall on the far right at 80 percent across, lower edge on a matte ivory ledge. Slight ripples and a few tiny irregular bubbles in thick transparent glass. Natural late-afternoon side light casts one subtle rose-tinted offset shadow and a few very fine caustic highlights confined to lower-right. Left 60 percent is clean warm off-white with soft real plaster texture. Palette ivory, soft rose, and muted burgundy only in glass edges; no peach gradient wash.