james' whistle
thingiverse
A personalized version of http://www.thingiverse.com/thing:41786 has been created using the Customizer tool (http://www.thingiverse.com/apps/customizer/run?thing_id=41786). The customization includes a whistle with a length of 58mm for the first, 66mm for the second, 74mm for the third, 78mm for the fourth, and 88mm for the fifth whistle.
Download Model from thingiverse
With this file you will be able to print james' 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 james' whistle.