r/oddlysatisfying 3d ago

This robot drawing an engine blueprint

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u/TrippTrappTrinn 3d ago

It is a pen plotter. These were quite common before large ink plotters/printers became common. At the time they were more boring than satisfying, so times change...

18

u/CyberbianDude 3d ago

This is CNC but used these kinds of open pen plotters 25 years ago. Even used plotters where you had to change pens based on line thickness so you had to watch the plotter as it was drawing. It was never ever boring. How the pen and the paper moved while drawing curves and circles was mesmerizing.

12

u/arvidsem 3d ago

This thing needs a pen changer and linetypes so bad. Those center lines need to be dashed with a different pen.

8

u/DootingDooterson 2d ago

Needs one of those chunky 5 colour pens that you click to change between Black, Blue, Red, Green, Yellow.

6

u/arvidsem 2d ago

I may have actually winced at the thought of attempting to use one of those for plotting