Easy refill funnel for Diaper pail refills for the diaper trash can by Tommee Tippee by Sangenic

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Using odder reducing diaper trash can systems offered by Tommee Tippee, you are facing a lot of costs for refills. Or you can get a refill for Angelcare/Closer to nature/Sangenic nappy bin cassettes on Amazon for a fragment of the costs. But the refilling process is not easy and can take up to 10 minutes. This design allows you to refill the cassettes within 2 minutes. The design has an inner diameter of 126mm and fits perfectly on Diaper pail refills for Tommee Tippee diaper trash cans. It may fit on cassettes from other brands, but I only tested it on Sangenic ones. I included some pictures showing how to refill the cassettes. Since I provided the freeCAD model, you can easily adjust it to fit different diameters.