BLV-MGN 3 axis Kelvin coupling

I add a third z axis and looking for auto leveling platform .

Using Railcore bed.


I used kinematic coupling to release stress on parts.
Need 3 Magball (https://www.duet3d.com/BallStudEnds )

And 6 magnet( https://www.kjmagnetics.com/search-pn.asp?pg=1&stext=BX024) to hold the bed.

I've print over 50 hours with the bed at 120 C and it did not move at all.

4 layer and 90% infil