Nutella Tresor Adaptor Ring to fit 450g Glas in 750g Tresor

Easy to make adaptor to fit in the 750g tresor, to secure 750 and 450g jars with just one size. You can find the tresor here --> https://www.thingiverse.com/thing:5518825
It fits really good, maybe you like to use some doublesided adhesive tape to keep the adaptor better in place.