This file can be laser cut (tolerance factored in) to create an 8 degree of freedom, geared poseable hand. The goal was to use as few degrees of freedom as possible to replicate most functionality (if not full poseability) of a real human hand.
Metal pins to finish the hand can be made from a standard wire coat hanger.
1 degree of freedom for each finger
3 degrees of freedom in the thumb
1 degree of freedom for splaying the fingers.
Dimensions are approx. 12.5×10 inches.