This model is fully customizable and includes the Fusion 360 design file. You can easily increase the number of cards by editing the “number_of_cards” parameter (as shown in the photo). Edit clearance for the sleeved cards in the same dialog if things seem too tight or loose.
I will post some common sized boxes (75, 100, etc.), and please let me know if there are other sizes you require.
The author remixed this model.