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.

He kept the parts, but unlike most of us, he did something with them, building a neat little plotter called the Liplo. Most pen plotters work by moving the pen on two axes, but [Benjamin] took a ...

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 ...

Plug in a blade, and it dices through paper and vinyl. Plug in a pen, and it’ll draw logos or schematics in a flash. You can even engrave and burn laser images into all sorts of materials.