Homework Machine Saves Time, Possibly
Devadath PR’s automatic homework machine was arguably more educational to build than the homework it wrote.
pen plotter
Evil Mad Scientist Labs Release AxiDraw V3, a Writing and Drawing Machine
An affordable pen-plotter that’s ready to be your writing and drawing robot scrivener right out of the box.
Turning Your CNC Machine into a Pen Plotter
A simple wood and plastic adapter that turns a ShopBot into a pen plotter
