I enlarged the original model so that it could accommodate a deck plus the three expansions, but with the plastic sleeves. It is possible to insert two decks (for example Good Vs Evil and NFSW in the dark blue box) or one deck plus expansions (Original plus 3 expansion in the light blue box).
The enlargement process was not a scaling along the axes, but I cut and stitched the mesh with the appropriate modifications without modifying the original graphics.
Internal dimensions: 67mm x 51mm