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A while back I caught a Hack a Day post of Sandy Noble’s polargraph project. The artwork he produces with the machine is amazing. I found myself in the workshop a few months ago looking for a new project to work on and realized that I had enough spare parts laying around to take my own stab at creating one of the machines. The concept is pretty simple. A pen is suspended from two spools at the top of the machine and by turning the spools appropriately the pen can be made to travel across a sheet of paper
Here’s a couple of videos of my completed machine at work on it’s first real drawing: