Atom3 filament guide

This is a filament guide for Atom3, the horizontal design of the filament spool loader, when loading new spool of filament, the retraction may cause the filament to slip under the spool and cause a jam.
This guide hope can reduce the chance when filament retracts, won't slip under the spool.

The design is a little loose, so you may use a cable tie to fix it and I add some Teflon tape to reduce the friction.