Use inside circles diameters. You should have drill bits sized 6, 7, 12, 14, 16 mm. It's another side of the box cover that's why all buttons are mirrored. You can open the source file in diagrams.net ...

This project is to use an Arduino Uno R3 board to support rotary encoders in DIY button boxes. These boxes are popular in the racing ... If you're just using buttons and toggle switches, you can build ...