E3D 30mm Fan for autolevel effector

After buying a commercial magnet joint upgrade kit (see link below) for my mini kossel build, I found that no existing e3d fan duct would fit as the effector includes a zprobe in a similar manner to http://www.thingiverse.com/thing:868258

This is a remix of http://www.thingiverse.com/thing:340312 with the filament mount taken from http://www.thingiverse.com/thing:340312 all adjusted to fit within the effector. I reduced the height of the duct to allow the auto-level mechanism to work and adj