Desicant Holder for Holy Grail Filament Dry Box

Holy Grail Filament Dry Box by Moby Motion https://makerworld.com/en/models/1857089-holy-grail-filament-dry-box-a-tribute#profileId-1985833 12-15-25 UPDATE: Added the single spool version. I've been using this for all of my PETG and TPU filament and wanted a way to add rechargeable desiccant. I could not find anything in a triangle that would sit in the bottom of the box without getting in the way of the spools.  Simce I have a lot of M3 screws, th