Universal Filament Spool Holder: Kobra Adapter

I really like the Universal Filament Spool Holder Gen2 (https://www.printables.com/model/66440-universal-filament-spool-holder-gen-2) but needed an adapter for an Anycubic Kobra and 5/16 all-thread and nuts (vs the 8mm called out in the original). I drew up an adapter plate that fits behind, along with a screw on cap for the back and a press-on cap for the front.

Depending on your printer tolerances, the two caps may need to be scaled (I used 101%)