$120 Sci-fi mech 3D model 3D model by tartino. Available on CGTrader with 27470 polys and 28161 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 20.8 MB), DAE (Collada, filesize: 21.1 MB), DXF (DXF, filesize: 20.1 MB), 3DS (3D Studio, filesize: 20.4 MB), FBX (Autodesk FBX, filesize: 37.1 MB), C4D (Cinema 4D, filesize: 21.3 MB)