Here is a fabulous invention in swarm robotics. The Atrax is a 3 DOF Australian Funnel Web Spider inspired robot, that is mainly wooden made. The parts are cut from a 3 mm plywood plate with a Dremel saw. 27 servos are dispatched as follows: 24 for legs, 2 for fangs and 1 for the abdomen.
http://www.robo-swarm.com/the-atrax/Thanks
www.robo-swarm.com