End Cap for Ender 3 Filament Holder Deluxe

End cap for the Ender 3 Filament Holder Deluxe (https://www.thingiverse.com/thing:3114139). Leave the 8mm threaded rod about 10mm long, and this cap will thread onto the end. This helps cover up the rod and nut and helps align the filament holder nut to the thread for easier threading.

You could leave a few more millimeters on the threaded rod so that it actually bottoms out and doesn't move. At 10mm, it's a bit too short to actually bottom out, so I shoved some foam into the hole so that it