Cetus Bed Leveler

Hi! Here is my desing of a bed adjuster for the Cetus 3D.
The idea is not to have to make holes in any part of the printer and to be able to intervene in it as little as possible.

There are two files.
The one ending with S need supports and need the supports to be edit on Cetus Software to avoid supports inside the holes.
The other, ending with No_S, do not need for supports...

For the assembly eight M3 nuts, four M3-20mm screws, four springs (with an 6,5mm inner diameter, 9mm outside d