This is a attachment that turns your ender 3 v3 se/ke into a pen plotter. It clips on to the side of the extruder and requires no disassembly of the printer toolhead.
It's fairly rigid and can plot fine details (e.g. printed text) with a fine tip ball-point pen.
You'll need
Toolhead Clip and Spring (if not using a rubber band) should be printed in PETG or better. I got good results with 0.15 mm layer height and 5°C above the default temperature. Other parts can be printed in PLA, though ymmv.
You can print multiple carriages & pen clips to quick swap the pens for multi-color plots.
You'll need a paper attached securely onto the print bed (e.g. with strong magnets).
The author marked this model as their own original creation.