Prompt
A top-down bird's-eye view of a white marble slab filling a 16:9 frame, presented as a wide-shot texture for a wallpaper background with the grain running diagonally from lower-left to upper-right. The surface is the only subject and occupies the entire frame with no props, center dominated by a pale area of smooth stone and subtle gray veins tracing fine, irregular paths across the middle third. Lighting is soft and directional from the upper-left, creating gentle, low-contrast shadows that reveal shallow surface undulations and a soft sheen on polished areas. Texture details include fine micro-pitting in recessed veins, soft edge transitions where polish meets matte, and faint mineral flecks visible at close range. Depth is shallow and uniform, keeping the plane of the stone in crisp focus across the frame while preserving a natural falloff at extreme edges. Composition guidance: crop to a 16:9 ratio with the primary diagonal vein positioned along the center-left third and generous negative space in the right third to allow for overlay elements. Render as clean, high-resolution macro-photography with neutral tonal balance and minimal post-processing to preserve authentic marble coloration.