Parametric Interlocking Card Tray System

Update: Added some gaps in the edges to facilitate extracting the bottom cards. Sorry about that. All other model design is consistent with the original.

After a few of my own designs for interlocking trays using magnets, I came across Popsicle_peon's design and liked it. After a few weeks of use however I found the fit to be a little tight. I also figured that others would want to use sleeved cards for this and other games and so I set about building the customizer you see here for Popsicle'