Dowel Jig 3/8"

Needed to drill 16 holes for 3/8" wood dowels for a project. Looked for a jig to do so. Jigs for 3/8" only had no way to easily and accurately place them (and were $20). Jigs that did provide spacing were usually multi-size and cost $70-100+!

Ah ha!! I have a 3D printer! So twenty minutes later, using Sketchup, I had a design. Two and a half hours later, I had a jig. All I need to do is clamp it to the board and drill.

How long will it last? We'll see. (Drilled all 16 holes with l