Do you want a nice pen holder?
Then this is what you are looking for.
You can print it with a 3D printer.
the only thing you have to do is.
secure the wheels with screws (20 millimeters long and 3 millimeters wide).
I wish you much success and have fun with it.
Please apologize for spelling mistakes, I made it with Google Translate
The author marked this model as their own original creation.