Of course, the pen or the servo horn slides across the paper ... We also thought this reminded us of a whiteboard plotter we saw recently.

For the electronics, the plotter uses an Arduino Uno and a matching ... and the other connected to a standard GT2 belt and pulley to move the pen back and forth. We particularly like the way ...

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 ...