A simple machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of the pull and thereby lift a load.
STL (Stereolithography, filesize: 2.82 MB), IGE (IGES, filesize: 2.82 MB), OTHER (Other, filesize: 2.82 MB), SLDPRT (SolidWorks, filesize: 2.82 MB), DWG (AutoCAD, filesize: 259 KB)