Finding consumables is an ever-present problem facing anyone working with old computer hardware ... encountered it with the pens for an Atari plotter, a machine that uses an ALPS mechanism ...

If you’ve got some unusually large computer-controlled scribbling in ... is inspired by another plotter that [JuanGg] created. While the fundamentals are the same, d.i.d admittedly looks quite ...

and was shown at an exhibition devoted to computer “plotter art.” Image courtesy of the Smithsonian Science Service Historical Image Collection. Computers Break out the screwdrivers ...