Flexible Archery Pin Holder

My son needed a way to hold and display his level pins for his JOAD archery program. We initially just pinned them to his quiver but they kept popping off and the pin post part kept breaking off. So, we designed a flexible keeper that will hold 3 pins and can hang from his quiver.

We used the great reversable hinge that pjnovas uploaded here: https://www.thingiverse.com/thing:1881492 as a base and then added recessed holes for the pins themselves. We added small retaining nubs around the circ