Tue, 21 May 2013 06:40:28 GMT Ponoko - Items by MachineLevel tagged with 3d print http://www.ponoko.com/showroom/MachineLevel/8108 A custom mechanical computer. for details, see: http://www.instructables.com/id/Custom-Mechanical-Biorhythm-Computer-3D-printed/<br></br><img alt="Prefinal4c_actual_first_build" src="http://static0.ponoko.com/design_images/images/54805/8fcbddce-6336-6874-a074-b9a6c6fb4fc8/prefinal4c_actual_first_build.stl_showroom_image.png?1322500869" /> Tue, 05 Jun 2012 16:05:40 GMT http://www.ponoko.com/showroom/MachineLevel/8108?time=Tue+Jun+05+16%3A02%3A47+UTC+2012 MachineLevel