Attachable business card holder mod for the display shelf (other model)

Simple attachable business card holder mod for the display shelf (other model).You can find the original modell here:https://www.myminifactory.com/object/3d-print-modular-costumizable-display-shelf-414131Easy to print and assemble.No supports needed!Recommended PETG or ABS or at least PLA+ for printing.Files are contained:- STL- 3mf for bambu studio90,5 cm wide.