2D drawing with RepRap

Testing a pen on the RepRap

I'm sharing my solution for generating GCode to draw 2D on my 3D printer. I had been looking for a method to use my RepRap to draw on paper, much like a plotter, but was not having much success looking for a good method of turning .dxf files from LibreCAD or similar CAD software into .gcode that the printer would understand. I was able to generate some flavor of GCode using PyCAM, but it wasn't the particular flavor that the Marlin firmware on the RepRap could interpret.

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