I printed in PLA
Check another version: https://www.printables.com/model/1068118-cubone-pokemon-skull-lowpoly-keychain-remix
Check my latest design for Christmas
https://www.printables.com/model/1104582-simons-cat-xmas-special-keychaintree-decoration
If you like my work consider
The author remixed this model.
Change the size and into keychain