If you are building a CNC machine, a 3D printer, or even a plotter, you have a need for motion ... However, one of the oldest means of doing this is the Core XY method. It is interesting because ...

Sure, we see quite a few plotters and other motion machines, but the one from [DAZ ... But some 3D printed pulleys and a very simple-looking core XY arrangement looks like this could be a pretty ...