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RepRap 3D printers are built to replicate themselves as much as possible - and that includes fabricating their own electronics! Today we check out a way of producing PCBs that you can do on any 3D printer with a pen and a handful of 3D printed parts.

Parts used:
Pen mount https://www.thingiverse.com/thing:316...
Staedtler Pens http://go.toms3d.org/Staedtler
Etching solution http://go.toms3d.org/Na2S2O8
Ender 3 -_- http://go.toms3d.org/Ender3Ali/

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