You might ask; if you have a 3D printer, why you wouldn’t just mount a pen on it and call it a day ... We also thought this reminded us of a whiteboard plotter we saw recently.

If you instead want to produce art on a larger scale, a plotter can be a great way to go ... the top corners of the blackboard, and move the pen holder via a pair of toothed belts, counter ...

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 ...