3D Printable Rod Centering Jig!

This is a nifty new idea I whipped up to drill holes in the center of a rod! So I have been working on the Micro-Mill project (see more here: http://diy3dtech.com/micromill-resource-page/) building couplers for the stepper motors and needed to drill some some perfectly centered holes for the grub screws (see more here: https://amzn.to/2SJBczE) to connect the steppers (see more here: https://amzn.to/2E4M3vO).

**Major Favor:** if you make one of these please post the Make and share it with th