circular hatch 3d model

Low poly 3D game environment of a small underground cave room. Natural jagged stone walls with rocky texture. In the center, a vertical rustic wooden ladder made of dark aged planks leads up to a circular wooden hatch built into the stone ceiling. The hatch has iron hinges. Scattered small glowing crystals on the floor, mossy patches in the corners. High quality textures, PBR materials, modular dungeon asset style. No characters, no animals, clear geometry for game engine, 4k detail, cinematic fantasy interior.