Robo3d R1+ build plate holder

I created these to hold my polycarbonate build plate on top of my Robo3d R1+ glass plate without limiting the axis on lower Z (because of clips + dual fans).

This is designed to go under the glass bed over the bump of the side magnets.

2 pieces of the same type (2 left / 2 right) should be enough, but I included both left and right in case you want better grip (only the right one was tested so far).

Edit: In the pictures you can see a gap between the bed and the holders, that is because