1. open box
2. plug in
3. use
4. unplug
5. close lid

yeah, why drilling or make a new cap when you can simply reuse the sealed opening. Printed in PETG for some extra self-lubrication.

I also made the mistake drilling my Ikea boxes but all of my printers are taller and i like to work on them so no overhead storage. 

Need M10 nuts and M10x30 socket heads for the handles. 

Comes in PC-M10 and simple push-in version.