The G code for the printer was generated by FlatCAM, a piece of software made specifically for cutting PCBs with a mill.

A printer is essentially a sophisticated plotting machine that moves to certain coordinates told to it by the slicer in the programming language G-code. That's why slicer software is so important.

When a print job is finished, custom G-code causes an attachment on the printer to wedge itself under the build plate and peel it off until it is freed from the magnetic bed, after which the ...