This is a remix of TheForrestFire's card trays that they made for the Lord of the Rings LCG. I own the core set for Marvel Champions, but don't have enough cards to even fill one side of the box using those trays, so I wanted a version where I could add dividers closer together.
I've added an extra 5 divider slots to each tray for a total of 10 sections per tray, 20 sections per side of the box, and 40 total in the entire box.
I also created my own divider that prints faster and should be easier to print on printers that struggle with first layer details. There's also a space at the top that could be used to add text to the dividers, either using labels or by adding text to the model before printing.
To finish up the organiser, you'll need the drawers and inserts specific to the game:
The printed dividers in the Marvel photo are by leewinder on BGG. The ones in the Arkham photo are by fabula_rasa.
The author remixed this model.
Added extra divider slots, and redesigned the divider to print faster.