3D Model: A Metallic Structure Resembling A Human Spine, Sculptural Or Biomechanical Style. Realistic Metal Texture: Polished Steel, Brushed Aluminum Or Oxidized Iron. Visible Vertebra-like Segments With Anatomical Curvature, Detailed Structure, Industrial Lighting, Cinematic Shadows. Highly Detailed, Photorealistic, Suspended Or Isolated On A Deep Black Background. No Cartoon, No Stylization, Hyper-realistic 3D Render.