Looking for Dirty Tunnel Low-poly? Get this 3D model from militarymodels99 via CGTrader for $9.
STL (Stereolithography, filesize: 4.61 MB), OBJ (OBJ, filesize: 3.55 MB), BLEND (Blender, filesize: 5.25 MB), FBX (Autodesk FBX, filesize: 4.56 MB), GLTF (glTF, filesize: 4.25 MB)