This image shows an example GCode program created using Cura.
GCode is one of the oldest programming languages, yet it still plays a crucial role in
This versatility is possible because GCode contains only a set of lines where each line represents a single command, typically composed of an alphanumeric code and parameters. These instructions tell the CNC machine what to perform and are sent to a controller board responsible for interpreting the commands and performing the desired actions. As the example shows, each line must contain exactly one command. However, there may be an additional comment explaining how a line of code functions. Such comments start with a semi-colon character, and the interpreting controller ignores everything following a semi-colon. G-code remains widely used today because of its simplicity, broad compatibility, and extensive support from various manufacturers. The standardized
numerous industrial and desktop manufacturing machines around the world. We’ll cover GCode and delve into ten essential commands you should know to step up your 3D printing game. What is GCode, and why do 3D printers use it? GCode, also known as Gerber or Geometric Code, is a standardized set of commands introduced in the 1950s to control CNC equipment such as drilling, milling, and cutting machines. GCode is very versatile, and aside from its use in instructing industrial CNC devices, it’s also suitable for controlling other machines such as 3D printers, 2D plotters , or even regular inkjet printers you might find in a home office.
Introduction to GCode and ten essential commands for 3D
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printing Written by Maker.io Staff
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