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 ...

A nice compromise for those that don’t have the space (or NASA-sized budget) to build a full simulator cockpit is a USB “button box” that you can plug in whenever you need a couple dozen ...

A Bluetooth low energy wireless button box circuit for use with sim racing. It is based on the the Adafruit Feather nRF52 Bluefruit development board. It can be embedded into existing wheels and ...