Tunnel with lights and textures made in Maya 2016 and Substance Designer.
Render made in Cinema4D
.FBX export with metallic/roughness textures perfects for UE4 or Unity, not so good but works on Cryengine V
STL (Stereolithography, filesize: 186 MB), FBX (Autodesk FBX, filesize: 186 MB), DAE (Collada, filesize: 186 MB), TEXTURES (Textures, filesize: 186 MB), PNG (PNG, filesize: 186 MB), GLTF (glTF, filesize: 235 MB)