PolarDraw, the simplest drawing robot you can build
cults3d
in the past I've already built a small CNC plotter, but it wasn't very precise and it couldn't draw on a big surface, so I designed this new and improved machine with the objective of making it as simple as possible still being very precise. this plotter is also pretty cheap, since it is built only with some wire, a rubber band, some bearings, some inexpensive electronics, and a few 3D printed parts. watch my video below for more info about the build process, I hope you like this design, happy building!!
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