anet A6 - Fan Duct and Auto Level Sensor Mount

I am attempting to create a combination fan duct and auto levelling sensor mount for the A6.

I'm trying to mount this sensor:
http://www.gearbest.com/3d-printer-parts/pp_591321.html

This one is almost right - the problem being that it restricts movement of the X axis to 0 to 200. I am now having to think about how I can move the sensor somewhere else on the print head that doesn't restrict movement. Stay posted, I'm going to get this working if it kills me.

I've abandoned this desi