I added Magnets to the Trays so they can snap together.
I took round 3mm x 2mm Magnets like this and added the holes to one or both sides of each Tray/Expansion.
For the Base Game Tray, i only added the Magnets to one side, but all other Trays/Expansions have them on both sides so you can decide yourself in what way you will organize them.
I also added the 3mf file so you can edit the Trays if you want.
I recommend to print in 0.2 Layers, so you can simply add a printbreak at Layer #34 (6.80) for all Trays.
I have only added 3 .stl's of the Base Game, Seafarers and Explorers and Pirates because i didnt printed the other 2 yet.
The Files in the 3mf are ready to slice and print.
Have fun
The author remixed this model.
I I added Magnets so the Trays can snap together