Made with Nano Banana 2 Lite · CC0 · 25 Jun 2026

Image: A single smooth natural river stone pebble, rounde

Generated from: A single smooth natural river stone pebble, rounded oval granite cobble, soft grey with subtle mineral speckles and a faint white quartz vein, gentle wet-stone sheen, photorealistic, even studio softbox lighting, centered, fully visible, isolated on plain flat neutral grey background, no ground plane, no cast shadow, product reference shot for 3D modeling