roman arch 3d model

front view of a classical roman arch, perfectly symmetrical, semicircular arch, thick stone structure with detailed carved blocks, visible joints between stones, central keystone slightly larger and protruding, double layered arch rings, fluted pilasters on both sides, classical capitals with ornamental carvings, heavy entablature with dentil molding on top, realistic travertine stone material, subtle weathering and surface imperfections, soft studio lighting with global illumination, ambient occlusion, neutral light gray background, no perspective distortion, orthographic feel, ultra realistic 3d render, sharp focus, 8k, centered composition