A simple eye socket for hollow doll eyes. This can be used to attach to a set of servos for life-like eye movement. Hollow realistic eyes were purchased from Amazon. Search for 26mm Half Round Acrylic Doll Eye This thing was made with Tinkercad. Edit it online https:www.tinkercad.com/things/d1k9P6n2ULp View it in action here: http:youtu.be/D-aIcUQ06kw