Prusa Filament Oiler/Guide

I really enjoyed MR2C280's filament oiler idea, and it was the best one I'd used. It allows you to load the filament into the oiler at any time (even if it's already loaded into the extruder), as well as remove it when necessary.

What I DIDN'T like is that it didn't sit very well on the Prusa frame. I had to clamp it on to keep it from falling off. It was also a little wobbly and flimsy, and it required an additional part to keep it all together.

I've modified the clip to be firmer and