Use case: stylized-concept
Asset type: licensable commercial stock image
Primary request: a matte clay material study of simple geometric objects
Scene/backdrop: seamless warm-gray studio cyclorama
Subject: sphere, torus, and stepped cube in clay finish
Style/medium: physically based high-end 3D render
Composition/framing: square centered with generous margins
Lighting/mood: large softbox key and gentle rim
Materials/textures: soft clay, subtle contact shadows
Constraints: commercial stock image, clear focal subject, clean edge detail, natural tonal range, professional color grading, deep focus throughout, sharp background and foreground, no shallow depth of field, no bokeh, no blurred backdrop, no recognizable brands or trademarks, no copyrighted characters, no watermark, no signature, no captions, no UI overlay, three objects only, sharp edges, no text
Negative prompt: logos, trademarks, watermarks, signatures, captions, gibberish text, shallow depth of field, bokeh, blurred background, oversharpening, plastic skin, distorted anatomy, extra fingers, duplicate objects, compression artifacts, checkerboard, transparency grid, AI artifacts, uncanny faces