I accidently ordered 24mm buttons instead of 30mm ones for this joystick:
https://www.thingiverse.com/thing:918504

There's already a solution to this:
https://www.thingiverse.com/thing:2807765

However, I decided to keep the print and order new buttons. In the meentime, I quickly designed this adapter ring.

Should be possible to modify for any design, f360 design files attached.