Once completed, a 3-D design file needs to be processed by a piece of software called a "slicer," which converts the model into a series of thin layers and produces a G-code file containing instructions tailored to a specific type of 3-D printer (FDM printers). G-code is substantially a series of XYZ coordinates for the 3-D printer to move its heated extruder. Once generated, a G-code file can then be printed with 3-D printing client software (which loads the G-code, and uses it to instruct the 3-D printer during the 3-D printing process). The client software is often programmed into the 3-D printer board.
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