sand pile 3d model

3D model of sand pile, small mound of fine beach sand, visible grain texture, realistic granular surface, natural beige tan color, soft irregular pile shape, high quality PBR materials, matte rough texture, individual sand particles visible, natural dune-like contours, loose sand heap, photorealistic sand material, subtle color variation, warm desert tones, no container or bag, white background, studio lighting, organic natural shape