Vintage pen plotters (or X-Y recorders) are essentially zero-price items and tend to be built like actual tanks. The ones you can buy today (and afford) are way

Vintage pen plotters (or X-Y recorders) are essentially zero-price items and tend to be built like actual tanks. The ones you can buy today (and afford) are way more expensive than them, yet cheaper (in quality). However, vintage pen plotters tend to not have USB plugs.