Prosthetic Wrist

This model is an extension of my prosthetic elbow model. The assembly is very simple, just loop 4 separate pieces of string into the loops on the hand and tie them. Then, glue the top of the ball socket to the bottom of the hand. Once this is complete, put the string through the holes on the wrist. In the end, you should have 4 strings sticking to the outside of the front of the arm, and when you pull them, they move the wrist side to side and up and down.