cyberpunk helmet 3d model

minimalist half-head protective gear for 3D printing, cyberpunk post-apocalyptic style, very shallow fit, angular and sharp skeletal structure, many large cut-out holes for maximum ventilation, raw metal and matte black surfaces, glowing neon lines, futuristic industrial texture, dystopian street look, worn but high-tech aesthetic, compact and lightweight, simple thin shell optimized for easy 3D printing with minimal material