Prusa Research is a 3D printing company based in Prague, Czech Republic. It was founded by Josef Prusa, one of the core developers of the Open Source project RepRap, in 2012 as a one-man startup and grows to a 400+ team now. His open-sourced Prusa i3 design is according to 3DHubs the most used 3D printer in the world. We are shipping more than 6000 Original Prusa i3 printers per month to over 120 countries directly from Prague. Our MK2S printer is the best 3D printer for 2017 and 2018 according to MAKE: Magazine US and for five quarters in a row is also on the top of user-based rankings of 3Dhubs.com.