Pan tilt roll for surveilzone 25*25mm camera

This is nearly finished but I have not got time at the moment to be continued :-)
This is a pan tilt roll designed for surveilzone 25*25mm cameras links below.
You will need to cut and glue the centre bits from the servo horns supplied with the servos in to the parts.
Uses 3 hobbyking servos
two of these HK15178 http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=29512
and one of these
TGY-R5180MG http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=2772