Small Card Tray for Square Cards
I originally intended this for the game "Card Rogue" (http://www.cardrogue.com/), but left the dimensions loose enough that other ~2 inch (50-54mm) square cards would work fine with it. It's not fancy, but it works well.
For Card Rogue, you need two of these.
Attribution
I used:
- the "roundedRect" OpenSCAD module by WilliamAAdams
I've attributed him also in the included source code for the part.