primitive hearth 3d model

A primitive Magdalenian hearth from Cantabrian cave settlements, circa 13,000 BCE. Central circular arrangement of dark river stones (basalt, slate) in a shallow pit, diameter 60-80 cm. Three to five elongated stones propped together forming a simple tent-like fire reflector pointing upwind. Ground around hearth packed earth with charcoal stains and ash scattered. No metal, no ceramics, no modern materials. Weathered, organic, asymmetrical. Overhead view shows stone placement clearly. Style: photorealistic stone texture, natural ambient lighting, archaeological accuracy.