Flying Smile Mug 1.2
thingiverse
This is a stainless steel mug sleeve designed based on the 1.0 version: https://www.thingiverse.com/thing:5342657 The reason why I updated the design is old version is very hot when pouring boiled water into it, so I put some serrated grooves on the inside wall of it, then printed and tested it several times to make sure it can work well. If you don't drink hot water in this mug, you can still print the 1.0 one, it takes less time to print it. The material I'm using is Polymaker TPU95A, it can be printed without support. The inside stainless steel mug could be bought at Amazon.com, search"304 350ml". See my other designs at https://www.thingiverse.com/wuguigui/designs Enjoy!
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