Ender 3 Spool Filament Guide

As usual, there are a lot of filament guide options available on Thingverse. I found one that I thought was interesting, https://www.thingiverse.com/thing:2917932 but I couldn't get the base to fit. I ended up using some of the basic concepts of this design and changed several others to come up with something that I liked. I made this as a single part, with only two, longer extension fingers that slip directly into the top frame rail. I also made the guide section elongated to allow for side to side movement of the filament on the spool. This Filament Guide lines up perfectly with my Extruder Filament Guide as well, https://www.thingiverse.com/thing:4039616

This part is meant to be printed with the flat top surface, face down on the print bed, with supports just for the finger extensions. No raft. I also provided a Test Base in order to print a quick test for the fit of the push in extensions on other printers. Since the fit is supposed to be a slight interference fit, it wi