Emergency whistle in four versions: small one tone and two tone, big one tone and two tone . Sounds loud and clear. It's easy to print and don't need support. It has hole for key ring so you can use it as a keychain.
Note: Please download single files because zipped file i corrupted.
| whistle_v1.STL | 1.6MB | |
| whistle_v2.STL | 1.6MB | |
| whistle_v3.STL | 1.4MB | |
| whistle_v4.STL | 1.4MB |
