TEVO Tornado Filament Holder 3 / 20x20 or 20x40 Extrusion Filament Holder

Here is my third filament spool holder I made for my TEVO Tornado! This spool holder fits securely into the 20x20 aluminum extrusion on top of the 3D printer frame and can be attached without taking apart the frame. It also includes a filament guide arm that keeps the filament from touching the greasy z-rod as it is pulled into the extruder. The design also uses minimal-ish filament utilizing a truss design.

I was hoping that it wouldn't require a long time to print, but nope, it takes a