Hinged Filament Guide

Needed a filament guide above my extruder to hold the filament off some cable ties that it occasionally rubbed against. But I also needed it to be out of the way to load the filament easier. I designed this to meet both requirements.

Designed for the extruder assembly on an Anet A8, but there's no reason it couldn't be used anywhere on any printer with a conveniently positioned screw. Slot is for 1.75mm filament.

I've also added a hinge pin and cap, however these are very small (M3) so if