I saw it online - didnt want to buy it, so i made it. - It´s easy print on 2.5h made from TPU fillament. The tool works as a spring between your jaws, in order to train your jaw. Helps to get rid of some underchin fat a makes you look more like a Tarzan !
Extruder temp: 230°C
Bed temp: 50°C
Infill 100% → deppends on how dense you want the liner to be.
Don´t swallow and enjoy !!
The author hasn't provided the model origin yet.