ID Card Holder for Lanyards

This model was designed so I could replace the boring colour one I was given at work. 

Its designed to be printed in either ABS or PLA for rigidity and the overhangs should be printable on most printers (tested on Ender 3 and FF Adventurer 3)

It fits a standard credit card or ID card / membership card.

I've linked the Tinkercad model for you to easily customise by cutting out a silhouette shape in to the back (see other examples and suggested method in comments)