modern prison 3d model

A complete fictional modern German-style prison with exterior and interior. Clean light-gray concrete buildings, simple perimeter fence, courtyard with grass and benches. Inside: bright corridors with metal cell doors, tidy single cells with wooden bed, desk, chair, shelf. Common room with tables, cafeteria, medical room, entrance hall and small office area. No dirt, no damage, no American elements, no exposed security systems. Neutral lighting, realistic materials, modern institutional architecture.