Sigma3D
Sigma3D Printer
Ozgur Aslan's design "Sigma3D Printer" for hobbyists to build it for "PERSONAL USE ONLY!". Sigma3D printer is now 3 years old and can print 7/24. Open source design. Creative Commons - Attribution - Non-Commercial license. You can reach the design & files at http://www.thingiverse.com/thing:817504