This is a remix from a model by @JavierMG , made to fit all Arkham Horror 3rd Edition expansions into one box, separated from the core game.
As you can see in pictures, core game is separated in main box and all expansions fit in the other one, leaving room for figurines or more expansions.
ORIGINAL MODEL: https://www.printables.com/model/53181-arkham-horror-3rd-edition-insert
******UPDATE 08/05/24******
Uploaded the Pantir_tray_2x1 file that was missing.
******UPDATE 26/01/25******
Uploaded original map tiles storage, since the original model has been deleted and they are needed to complete this insert.
The author remixed this model.