rock tunnel 3d model

Modular fantasy cave tunnel for a runner game, single tunnel segment, approximately 10 meters long. Stylized rocky cave walls with smooth carved shapes, warm glowing lights embedded in the walls, soft chocolate-like ground texture without any candy or sugar objects. Arched tunnel structure, flat and clean start and end edges for seamless tiling, the tunnel ends with a soft bright light only, no props, no obstacles, no decorations. Game-ready 3D environment asset, clean topology, optimized geometry, PBR materials, clean UVs, Unity / Unreal Engine compatible, stylized realism.