About this 3D model

3D printing Prosthetic hand more info . here https://www.youtube.com/watch?v=05H5lHaTXoM&index=1&list=PLL6NCn-O29eU3hH4vnMwPrat26A8rU0Cn feel free to ask about the assembly. we are working in this project.. the objective for this hand is help the people that don't have a part of his arm.. there is a little tutorial of how is the assembly...