Use case: product-mockup
Asset type: licensable transparent-background PNG stock asset
Primary request: a premium catalog packshot of one unbranded professional chef knife with a broad stainless blade and wooden handle, photographed as a clean source for background removal
Scene/backdrop: a perfectly plain, uniform light-gray seamless studio backdrop, no floor line, no horizon, no gradient, no texture, and no other objects
Subject: one unbranded professional chef knife with a broad stainless blade and wooden handle
Style/medium: photorealistic commercial product photography, natural proportions, high material fidelity
Composition/framing: horizontal side profile, entire tip, edge, bolster, and handle visible; centered with generous isolation space
Lighting/mood: long soft strip lights defining the blade without glare; even edge separation with no shadow on the backdrop
Color palette: silver and dark walnut
Materials/textures: brushed stainless steel, dark walnut handle, metal rivets
Constraints: single isolated product cutout source, entire object visible with generous padding on every side, clean, crisp, fully closed silhouette suitable for automatic background removal, no cast shadow, no contact shadow, no reflection on the backdrop, no logos, no brand marks, no readable text, no watermark, no signature, no props, no hands, no people, no checkerboard, no transparency grid
Negative prompt: cropped object, cut-off edges, multiple copies, duplicate parts, floating fragments, distorted geometry, busy background, environmental scene, floor plane, hard shadow, soft shadow, glow, motion blur, depth-of-field blur, text, labels, logos, watermarks
