Extruder Cover and Knob Remix / Re-Package

This is a Re-Mix Mixup of Devin Montes' Extruder Knob and graham01's Extruder Cover.
Devin's knob is here: https://www.myminifactory.com/object/manual-filament-feeder-knob-mod-for-cr-10-and-other-bowden-3d-printers-52492

I simply used the knob to cut a hole in the cover, and this is the perfect combo for me.

Not only does the knob help to load and unload the filament, but it also gives you a visual cue when the filament is moving. The cover keeps all dust and dirt out of the Extruder an