Ender-3 circuit board holder for bedlevel sensor

I always admired the automatic bed levelling and since the petsfang duct has the option to install one it was inevitable that I purchased an inductive bedlevel sensor one day. Of course I could have ordered a complete set from TH3D, but where is the fun with that, plus I had some special ideas in mind.

My requirements where:
1) No cutting of wires (you can build everything back - almost)
2) Reusing all parts (also the Z-endstop)
3)The fan für cooling the electronic stuff is connected to th