whistle
thingiverse
Blow into a whistle that has a cleverly designed rectangular mouthpiece, ingeniously created to keep your slobber off the whistle while you play it loudly.
Download Model from thingiverse
With this file you will be able to print whistle 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 whistle.