1x2 holder for E3D Revo quick change Nozzles. Labeled with sizes 0.25, 0.4, 0.6 and 0.8.

You can add a filament change at the appropriate layer in your slicer (I use PrusaSlicer) to have a different color for the labels.

You can remix/fix/adjust by messing with the original onshape model. https://cad.onshape.com/documents/2fce9b6eeb12bfad76828c12/w/92898aad17cd5de3c2519693/e/4209611e38469e67117c77e3