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 ...

The motors are mounted at the top corners of the blackboard, and move the pen holder ... plotter using readily available parts that can reliably plot large graphics on a piece of A1 paper.

A type of pen plotter that wraps the paper around a drum with a pin feed attachment. The drum turns to produce one direction of the plot, and the pens move to provide the other. The plotter was ...