
Pocket Siren
thingiverse
Access a laser cutter? Want to really annoy people?\Then create a turbine whistle! It's designed using air-raid siren principles, so just imagine the noise level...;-) Check out the link below for the construction instructions and be sure to see the cool remix comments:http://www.instructables.com/id/Turbine-Whistle/
Download Model from thingiverse
With this file you will be able to print Pocket Siren 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 Pocket Siren.