Can someone please 3D print me one of these?
www.thingiverse.com
It's a coin ping tester.
Happy to pay

Coin Acoustic Clip by wild03
This is a Coin Clip to hold a coin, it has an integrated little hammer to strike the coin and cause it to ring. One can use an App like Bullion Test to analyze the sound and determine if the coin is resonating at the expected range for its type. My cura settings were probably overkill, I'm new...

It's a coin ping tester.
Happy to pay