A type of pen plotter that wraps the paper around a drum ... The plotter was the first output device to print graphics and large engineering drawings. Using different colored pens, it could ...

In this three part video series we watch [Dirk Herrendoerfer] go from scraps to a nice 3D printed assembly as he iterates through the design of a pen plotter for making circuit boards.

Sure, we see quite a few plotters and other motion machines ... You might ask; if you have a 3D printer, why you wouldn’t just mount a pen on it and call it a day? Well, you could do that ...

or to make a pen plotter prompt you to change the pen when a graph uses more colors than the plotter has. Using a Device's Default Colors List If you do not define a colors list with the COLORS= ...