50mL Conical Pegboard Holder

So I've been on a pegboard kick as of late and thought I needed a shelf to store the absurd amount of 50mL conical tubes I have scattered across my table.

This shelf hold 15 50mL conical tubes with a diameter of ~28mm. I have tested this model using VWR tubes that are the upright standing kinds as well as the standard ones that need a stand (hence the holes in the model). It's a little difficult to see in the pictures but there is a lip in each tube hole to accommodate both types of tubes. Th