please use the obj and mtl files for the textures to be mapped automatically. if ur on blender duplicate the mtl file and ur good to go.
STL (Stereolithography, filesize: 5.58 MB), OBJ (OBJ, filesize: 19.4 MB), BLEND (Blender, filesize: 19.1 MB), DAE (Collada, filesize: 23.5 MB)