We are a Czech company founded by Josef Prusa. Prusa Research is making the best desktop 3D printers in the world. All our products are open source under RepRap project. Prusa i3 (i3 stands for third iteration of the design) is the latest design by Josef Prusa himself. Our flagship is The Original Prusa i3 MK3 which is the successor of the award-winning Original Prusa i3 MK2/S 3D printer. Currently we are shipping more than 6000 Original Prusa i3 printers per month to over 120 countries directly from Prague.