(Not actually a pen)
I wanted to make a spinner that felt satisfying to spin between my fingers.
I also added rounded indents at the top and bottom that feel satisfying to touch.
Using the profile the print will pause twice so that a penny can be inserted on each end for weight.
The model should also be printed at a slower speed because it can fall over as you get higher up.
If you want to print it without the pauses and without the penny holes there is another version here:
https://makerworld.com/en/models/389143#profileId-290095