Sparky Projects | Support Cutting Jig @sparkyprojects | Uploaded September 2017 | Updated October 2024, 11 hours ago.
Once you have marked out the supports, you will need a way to cut the slots accurately, this jig solves that problem.
I also show a jig that just uses a drill.
Circle Jig youtube.com/watch?v=-IRNXHCBHOQ