Unfortunately, my monitors did not have a Vesa mount,
so I had to come up with something myself.
The holder is designed for two monitors.
It is a bit clunky, but i wanted to make sure that the holder is stable enough.
2 x M8 x 30mm
8 x M8 x 75mm
20 x 3.9mm x 60mm + Dowel
80% bottom / 40% top