Igloo Thermos Cap Adapter
thingiverse
These are 2 adapters for an Igloo 26oz stainless steel bottle I had laying around like this: https://a.co/d/0h1FRdR These adapters may fit similar sized bottles from Igloo but I only tested it with the 26oz. The adapters were designed to retain the seals from the stock cap. The TALAdapter was modeled using this lid specifically: https://talhydration.com/collections/accessories/products/ranger-straw-lid but other TAL lids should work as well. The top diameter is 65mm The HydroFlaskAdapter was modeled using this lid from amazon: https://a.co/d/eYsQk69 but it should work with other HydroFlask compatible lids. The top diameter is 58mm
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