Looking for something a bit neater, [sandy] built a simple pen plotter to write labels on a roll of tape. The plotter uses the usual 3D printer components like steppers, drivers, belts, and rails.

I like to visualize things, so I decided to prepare this simple tutorial to help you better understand how to visualize data using Arduino. This tutorial assumes that you have some basic electronics ...

Being only ten at the time I was unable to build the thing and, now that I’m 40, I still can’t fathom how to build this DIY CNC plotter out of a DVD player and some Arduino gear.