cobblestone pavement 3d model

Generate a 4K (4096x4096) seamless tileable PBR ground texture for a Moroccan medina city street pavement (NOT cracked dry ground, NOT rocky plates, NOT desert polygons). MUST LOOK LIKE: - Old Moroccan city alley / medina street paving - Small-to-medium stone pavers (cobblestone / irregular limestone blocks) - Tight joints between stones filled with fine dust/sand - Real pavement stones, walked for centuries FORBIDDEN (DO NOT GENERATE): - Giant cracked mud ground - Large polygon rock plates - “dry cracked earth” patterns - Random triangular plates - Deep canyon-like cracks STYLE / COLORS: - Warm limestone + sandstone tones: beige, light ochre, dusty tan - Matte surface, very high roughness (no shine) - Subtle worn edges, slight chipping, soft bevels - Natural variation per stone (tone variation 5–10%) DETAIL SCALE (IMPORTANT): - Stone size: 10–30 cm per stone (not bigger) - Crack/joint width: 0.5–2 cm (thin) - Avoid deep gaps; keep joints shallow PBR OUTPUTS (REQUIRED): - BaseColo