Learn how to draw skulls and understand facial anatomy step by step! Perfect for improving your portraits and character ...

The heaviest mask weighs almost 1kg, but most are light as a feather, which helps with the performance. The first one I made, the jaw broke off and I wasn't able to repair it.

The engineers used a CT scan of Loca's skull to design a custom-fit mask, which was then printed with a 3D printer. Loca was the first patient to try the Exo-K9 mask, the university said. After 1 ...