Not quite the same, but I've been getting into technical pens because normal pens don't work as well in my plotter. I've found a lot of different failure modes in all sorts of writing implements so far... Example output: https://twitter.com/joshu/status/1074836822751010816
The problem is that they run out of ink very quickly. I've been looking for a more "pro" version of them, and it seems like your pens might be a good place to start!
If you're looking for a more "pro" version of sharpies, the marker most used by artists seems to be Copic. They're refillable, last quite a while and you can change their nibs.
