This loses the novelty of ink that won’t dry in a pen, but will dry on paper (that pen is presumably sealed more than a roller ball) and it’s not flexible (due to acrylic binder) @Alex and Boudico ...
In this three part video series we watch [Dirk Herrendoerfer] go from scraps to a nice 3D printed assembly as he iterates through the design of a pen plotter for making circuit boards.
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