Gridfinity removable label lid (1-4 bin-wide, for 9+12mm labels), not increasing the hight of the bins.
Designed for and tested with these bins: https://www.printables.com/de/model/399759-actually-parametric-gridfinity-base-grid-bins
Print it with a brim, for goog bed adhesion, in the orientation it was uploaded!
The author remixed this model.