2note2furious
thingiverse
Put this on the end of you 9mm arrow shaft, shoot it. Makes a pretty loud beat frequency. Works best as it's slowing down. I use esun pla plus. Video below. https://www.reddit.com/r/3Dprinting/comments/tyt9c8/two_note_whistle_volume_warning/?utm_medium=android_app&utm_source=share
Download Model from thingiverse
With this file you will be able to print 2note2furious with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 2note2furious.