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In this video tutorial by the @G-Code Tutor, Marc Cronin talks about basic movements of a CNC machine using G-code.

G-code is the language that most 3D printers and other CNCs speak. In this video, we'll take a look at the most common G-code ...

This covers the basic + if you want to learn about G codes. I will advise to see this training in full screen. Link to the NC Viewer is ...