Mini Whistle
thingiverse
A very small whistle, but with a loud sound made in Blender first prototype :https://www.youtube.com/watch?v=ceNbB3WkF6Q actual one:http://youtu.be/eLienz0ZsW8
Download Model from thingiverse
With this file you will be able to print Mini 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 Mini Whistle.