3D printing can be a fun and productive hobby and skill, but there can be a lot of confusion around the files involved. Here are some you should know about.

The diamond operator <> lets the while loop iterate over the input file (our G-code) line-by-line. In this example, we just print back the unchanged content of the G-code line.

Most CNC workflows start with a 3D model, which is then passed to CAM software to be converted into the G-code language that CNC machines love and understand. G-code, however, is simple enough ...