Ender spool top bearing

This is a spool bearing addon for Creality Ender spool holder.

This is only compatible with **spool holders hanging from top** as you can see in the pictures (I don't like to have the spool weight attached to my printer's structure so I hang it from a furniture over my printer).

You will need to choose one bearing roll, one frontside and one backside from the included files.
I recommend the filled roll if you will use M4 shorter than 20mm and the hole roll otherwise,
I recommend the flat backside and 3x backside spacers in order to avoid material wasting.
The filled frontside doesn't require a nut for the screw but I recommend the holed one and a nut anyways (metal screws and nuts are preferred for me).

A small hole should be done in the original spool holder in order to keep the frontside in place.

I've found frontsides with legs too delicate for usage but I upload the design with these just in case you want to use any of these. I recommend heating the legs with a haird