Elfdroid Neck
thingiverse
These parts comprise the neck and lower jaw for the Elfdroid head. The neck runs on two 25kg.cm servos. In my model I used two SPRINGRC SR431 to rotate the neck and nod the head. I have included two different adaptors for the base of the neck. "neckbase-sr431-servohorn" fits directly on top of the driveshaft of an SR431 (or 25kg.cm) servo. "Neckbase-circular-servo horn" is designed for a 21mm diameter circular servo horn to be screwed or glued inside of it. Both are simply methods of attaching the head to the neck, although I think screwing in a 21mm diameter circular servo horn is more secure.
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