Echo 3 Tone Whistle

Echo 3 Tone Whistle

Website: thingiverse

Author: LetsMakeThings

Price: Free Download

File format: .Stl 3d printable

Description:

For the loudest results, print the whistle on its side.The Echo whistle started as an idea to create the loudest whistle for a 3D Printer and create a more compact survival whistle. This whistle is designed for the person who wants a easy, compact and loud whistle for any situation, ranging from survival to referees.Testing