One of the very first trials of my 3d printed A4 Pen plotter. This was recorded in summer 2017.
It is controlled by means of an arduino with a grbl shield, wich drives the x and y motors, and the solenoid used for lifting-lowering the pen in response to g-code generated in inkscape and sent through grbl controller.
Files and more information here:
https://www.thingiverse.com/thing:2504587
https://juangg-projects.blogspot.com/2018/01/a4-pen-plotter.html
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