Easy to print

Material: PLA
Supports: Tree
Temp: 200

Aztec Death Whistle 
(Wikipedia)
The Aztec death whistle was a whistle exclusively used in several zones of the ancient Mexica, which mimics the sound of a horrifying animal-like screeching, which was thought to be used in warfare to scare away their victims. It is thought that hundreds of warriors would use the whistles at the same time.

As a newbie to the 3d printing space, this model and entry was a test for myself to start making objects in CAD. The hollow space was created as a negative to subtract from a skull file I had save in a folder from some time ago.