Found this:https://www.youtube.com/watch?v=DAngcygU7tcthougth It was kind of cool and a nice exercise to improve my CAD skills.This is the resulthttps://youtu.be/wASpQMGZQ70-----UPDATE I------Johnrandersen made a pen for it:https://www.thingiverse.com/thing:4837380-----UPDATE II------Added a "pen" …