Whistle!
thingiverse
In just minutes, I managed to complete the task - a rarity indeed. The outcome, however, remains uncertain; perhaps someone can help by printing it out for testing? This intricate design was created using Sketchup 2014 software.
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!.