https://www.thingiverse.com/thing:2933021

I’ve printed thousands of these over the years. Two type depending on how you want them on a lanyard.

This one is also loud but prints are little more finicky.

https://www.thingiverse.com/thing:1179160

If I lived there I would have been printing nothing but these for days.

Here is a remix of the first one with melt ice inscribed in it

https://www.thingiverse.com/thing:7273246

Finally this is a remix another remix of the first one listed. Its two larger versions. They have a little more tone but are not that much louder.

https://www.thingiverse.com/thing:3554225