I designed this holder for some old punches to keep them handy on my workbench and easy to move around for working. It has 15X 2.75" deep holes of various diameters from 0.28" up to 0.5". Should be easy to scale in X-Y to adjust hole size if needed.
Printed in Overture Space Gray PETG @ 0.3mm Layer w/ 10% Fill.
The author hasn't provided the model origin yet.