It is therefore only plate of plexiglass.
Or better two. An one underside, second from the top.
Yes, I thought of it, too.
Maybe it could be ... but it is so much tinkering (gadgeteering) ...
Something would be good between this and the glue ...
And I just found the solution, pear !
You could make a PCB like the EnterMice itself, just it is for the keyboard,
and that would have connectors like the keyboard fixer has !
I would just push that device to the official keyboard sockets on the motherboard,
and I could throw my keyboard stuff to the bin ...
Problem would be solved ...