Mechanized Android Figure

Step 6 Install Servo

Cut off the small pieces at the side of the servo that are normally used to hold it in place. Instead use hot glue applied to the bottom of the Android figure. The servo head cross helps with centering. Make sure the servo reaches up far enough to reach the grooves in the head. If things don't quite fit the first time around don't despair. The hot glue can be removed quite cleanly and you can try again. The SG90S is slightly taller than the SD90 and fits a little better. It can just rest on the bottom.