Sand Pendulum in the After-Hours Gymnasium — AI Portrait Prompt

Use the attached reference photo as the identity reference: keep the same face, skin tone, hair and features as the person in that photo, without beautifying, aging or altering them. Use a formal 3:4 environmental portrait with complete hands and meaningful objects inside frame at exactly 2480x3312 pixels. Location: a school gymnasium after hours, one court light left burning. Show them in a plain navy track jacket zipped over a grey tee, dropping a plumb line until the bob just clears the floor. Use this advanced image-making device as the core logic: a brass funnel of white sand that swings on long cords, pouring its own path onto a dark floor shows plain physical law producing ornament no deliberate hand could plan. Explore how much credit a person deserves for a drawing they only set in motion; direct expression and posture toward steady humility, never melodrama or ad-like confidence. Use an eye-level 50mm viewpoint that gives the machine and the person equal dignity. Make the composition let the drawing's shrinking center sit off-axis from their eyes. Render it as gallery-grade demonstration photography built from lawful gravity-driven motion, physically exact trace geometry, quiet heritage interiors, and unforced human presence, using cool even skylight softened by high dust, shadows kept legible and a palette of graphite, raw linen, and one deep bottle-green accent. Photorealistic: this must read as a real photograph from a physical camera, never an illustration, painting, or 3D render. Resolve real surface detail: brass darkened in the recesses and bright where thumbs land, and lacquer crazed rather than perfect. Keep one identity-locked person, credible hands and fingers, natural fabric, and coherent scale, contact, reflections, shadows, airflow, deformation, and materials. Background people only when essential, always secondary and clearly different. Avoid glowing neon spirograph swirls, levitating pens, CGI particle trails, sacred-geometry overlays, and face-smearing motion blur. No text, labels, logos, signatures, watermarks, random symbols, plastic skin, excessive bloom, or glossy AI finish.