These commands tell your 3D printer exactly what actions to perform – where to move, what speed to use, what temperatures to set, and much more. Most of these commands start with a G (hence the name), but there are also some common machine-specific codes that start with an M.
Did you know that 3D printers have their own language? Today, many desktop 3D printers use a numerically controlled programming language made up of a series of commands called G-Code.
