All credit goes to wstuner88, I just added one more hole and changed the holes to fit Biltema Pegboard (hole size 4mm, 12mm apart). Also I made one opening a bit bigger to fit wider pliers.

Other Biltema Pegboard holders can be found here: https://makerworld.com/en/u/3917776808/collections/108552

Notes:

Print it like it is in the stl and you don't need support, but you could add small brim to make it safe.

Category: Tool Holders & Boxes