Got this kenmore fridge for free but it was missing some stuff. The main door shelf had only one clip and nothing to fit into the clips. We had some pvc laying around (measured about 27mm in outer diameter) and so I made a quick replacement part that fit in the fridge just like the original clip did but used a pvc pipe to hold everything in place. 

Printed in PETG with 4 walls (fuzzy skin, too) and 25% triangle infill. Does require some supports, but has held up pretty well after a week of abuse from my daughter opening and closing the door pretty hard with a few large jugs on the shelf. 

Step file is included if anyone wants to resize the hole or improve the model in any way :)