whistle
thingiverse
I want to hand this over to Ben Bravo, my number one friend who created this, but gave me the download file because he has a thingiverse account; however, I'm only eleven years old and when I saw this challenge, I thought it was an incredible idea: free 3D printer, that's amazing!!!!!!!! So, I thought I would take advantage of this situation.
Download Model from thingiverse
With this file you will be able to print 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 whistle.