the first step for tunnel making is its Surveying. This is a complete animated scene with textures, lights and other animation. Orginal scene is in Autodesk maya with arnold renderer sets for rendering.
OBJ (OBJ, filesize: 14.8 MB), MA (Autodesk Maya, filesize: 57.9 MB), MEL (Maya Mel Script, filesize: 42.4 MB), FBX (Autodesk FBX, filesize: 46.3 MB)