Mini Whistle
thingiverse
A tiny whistle producing a powerful sound was created using Blender; the first prototype can be viewed on YouTube at this link, while the actual version is showcased in the video found here.
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.