2020 Profile Drill Guide

I am building a Voron Trident. To save money, I am self drilling and self tapping the 2020 profile. Previously, I drilled by hand and my holes were either out of place, or I damaged the V profile. I wanted to have a drilling guide so that my holes are perpendicular, straight, 10mm from the end to allow for precise construction of the frame.
To use, align the drill guide so that the end of the assembled component is flush to the end of the profile. The centre of the drill guide is positioned to be 10mm from the edge of the assembled component. You can further secure the guide to the profile by using T-nuts and M5x8 bolts. These are optional as the tolerances combined with the length of the braces should provide sufficient friction.