PLEN Project PLEN:bit Assembly Manual page 21

3. Attach the servo horn plastic parts to servo motors #1 and #5 as
shown in the photo. Ensure the axis of the + on the horn is aligned
with the edges of the servo motors.
4. Orient the servo bracket such that the bar across the center of the
bracket is horizontal and at the back of the assembly. The
orientation in the photo below shows the bracket such that the
robot's front is being looked at and the head is on top. Attach the
plastic thigh parts onto the servo horns as shown, such that the
bump on the plastic parts are pointing in the same direction as the
"front" of the servo bracket.
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