Ultimaker Cura

            
            GUI G-code generator for 3D printers

Cura converts digital 3D models (.stl and other formats) into printinginstructions (G-code) for your 3D printer. It cuts the model into horizontalslices (layers), generates toolpaths to fill them and calculates the amount ofmaterial to be extruded.

Cura is easy to use for novices and provides over 200 settings to adjustfor the expert.  It can output G-Code for several series of 3D printers,most notably the Ultimaker.

It provides a graphical user interface.  For batch mode, check outcura-engine.