Sintron Zaxis Endstop Holder

The Sintron endstop holders are very flimsy. Even after repairing the broken z holder with a bit of wood the z axis was so unstable printing anything was uncertain but after a few tries...
This is version 3.
An M3 screw tapped into the motor bracket hits the button just right! The thread is a bit loose but a drop of tippex keeps it in place.
The slot is 40mm x 2mm with three 0.3mm bumps inside that hold the endstop tight.
The bracket is kept still on the 8mm smooth rod & 5mm acrylic.