Lil' Train Whistle
thingiverse
I tweaked the whistle to make it neater, shortening it slightly and adding a simpler lip design. Helping out is easy - just click this link to donate to a great cause: https://www.extra-life.org/participant/385519
Download Model from thingiverse
With this file you will be able to print Lil' Train 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 Lil' Train Whistle.