Have you ever been in a situation where you thought "oh i wish i had a card, that i would just pull out". That is now possible!
keep the orientation
In the model are included two squares. Do NOT remove those, if you don't have a MMU/AMS/INDX/XL/U1/...
If you have any color changing system, feel free to remove them
In PrusaSlicer open "Printers"
In "general" set "extruders" to 2
Then under "custom G-code" edit "tool change G-code" to "M600"
when you start printing the printer prompts you to change filament, change it to the "background" color of your card.
The author marked this model as their own original creation.