Solid Endstop Holder for 2020 Kossel Delta Mini

Best endstop holder ever? There are many endstops holders out there. With this design, I tried to position the switch at the middle of the 2020 aluminium profile.
Fixing the switch to the holder: I want to provide a solid m3 nut fix and three optional holes to further stabilize it, if necessary.
Fixing the holder to the profile: Since the holder is fixed to the profile by a single m3 screw and T-nut this holder grabs into the 2020 profile, so it should be pretty stable.

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