The lightning charging cable for the airpods will need to be glued into place. A dab of super glue so that the base of the charging cord sits flush with the airpod slot should be all that is required.
After inserting the charging pad, slot in the spacer in the phone slot to raise the floor to the required height (necessary for the Z Fold, also helps hold the charging pad into place. Glue really shouldn't be required for the spacer, as it fits VERY snugly
I didn't bother glueing the charging pad into place as it sits pretty snuggly on it's own, but you could if you wanted extra stability
I've included the .step files so that you can customize to your own charging pad or phone