connector holding fixture 3d model

a connector holding fixture which is rectangular and has hardware assembling feature with round axis distance is 42 mm , generate the connector holding fixture which works on below principle ,, when a hardware is inserted on both end of connector the led glows, if the only one side hardware inserted it stays in red or off condition so only when both hardware inserted it turn green and also connector holding pads works on pneumatic control which relaeses when the led turn green after closing the circuit by assembling both side hardware which makes circuit complete etc generate the fixture