Dividers have their respective names on them or you can print the Plain ones, I printed them in different colors to help sorting

They fit Sleeved cards

Heavily inspired by https://www.etsy.com/ca/listing/961360104/x-men-mutant-insurrection-board-game?ref=lx_share

The card boxes I used https://www.thingiverse.com/thing:3134443