A hanging plotter, also known as a polar plotter or polargraph, is a machine for drawing images on a vertical surface.
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Enchanting images with Inky Lines, a Pi‑powered polargraph
A hanging plotter, also known as a polar plotter or polargraph, is a machine for drawing images on a vertical surface.
Read the rest here:
Enchanting images with Inky Lines, a Pi‑powered polargraph