For a bit of fun I figured I'd create an Amplifier to increase the sound generated.
Just a quick design and quick print at .2 layer height, no supports needed. It increases the sound output of my MTW.
It's not large but it is effective.
Little short showing the sound difference.
https://youtube.com/shorts/1OG6waFRA80?si=ZGdoRqtKXyg84pJD
.2 layer height
No supports
Printed with the threaded end down.