G-code and M-code are the foundational languages that drive CNC (Computer Numerical Control) machinery and 3D printers.

Custom G-Code For example, suppose you want to create a new G-code, say G12345. As far as I know, that’s not a legal G-code. But you can define a macro named G12345 and make it do whatever you want.

[Andre Me] has long-standing interest in automating 3D print jobs, and his latest project is automating build plate changes on the Bambu A1 Mini. Here’s how it works: each build plate gets a … ...