About this 3D model

I wanted to hang my calipers at my desk with something like: Devin Montes' Peg Anything // Caliper Holder, but don't have pegboard at my desk. So I made this to adapt Devin's holder to a shelf. My shelf is 20.5mm thick, the adaptor could easily be adapted for thicker or thinner shelves. The holes are 9/32" in diameter and 1" on center Printed in PLA with: .2 mm layer height 3 perimeters 3 top layers 3 bottom layers 30% infill