Hello. My name is Zabrina. I will be fighting for Alpha, no matter that I am a female. And I don't plan on losing. Oh, but, I'm not unkind. Usually. Do say hello.
Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/89213781/female-human-skull-replica:
Beautiful lion mandala and lace tattoo idea design, mendi patterns and filigree. By Dzeraldas Kudrevicius Atlantic Coast Tattoo Cornwall
Worm Gear #mechanismsleiva Más
mechatronics - Google Search
compound planetary gear train - Google Search
Ball bearing nut for linear stepping motor. by jspark - Thingiverse
Clockwork by Moran Goldstein, via Behance