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How to assemble the RSP

1. Cut the threaded rod so that you have rods approximately 7.25mm in length. I put a dremel in a clamp and put a cutting blade in the dremel. I put on safety gear. I turned on the dremel and then held the rod against the edge of the blade. I turned the rod slowly to get an even cut without burrs.
2. Assemble the ends onto the rods. The pieces of the end can be snapped together with pliers and then screwed onto the rods. Make sure all the assembled rods are the same length. The distance from center hole to center hole should be 95mm.
3. Glue the four pieces of the end effector. Peel off the blue protective cover first for best appearance. The smaller pieces are all identical and go into the same side (the bottom) of the end effector. I used a hot glue gun.
4. Screw the rods into the end effector.
5. Screw the rots into the outside-most hole of the X shaped servo horns. You may need to widen the hole with a drill bit.
6. Put the six servos between the two matching plates. Make sure they all face the same direction. The servo wires should come out the top. If the fit is tight, file the servo.
7. Put three of the extra rods through the holes in the top and bottom plate. Add screws and tighten enough to hold the servos in place. Do not overtighten as you might crack the plastic.
8. On a breadboard, connect the red lines of all six servos to 5V, The black lines to GND, and each of the white lines to an Arduino. In this picture you can see an example of the wiring. Notice that the front left servo is pin 7 and the rest go counterclockwise down to pin 2.
9. Upload the firmware and start using GCODE.