Yeti Rambler Colster 12oz to 16oz converter (new quad threaded version)
thingiverse
I couldn't find any converters with the right thread to fit the version I had, so here's a 12oz to 16oz converter that includes quad threads (4 threads in parallel to allow for faster screwing on the lid). One version is to fit the profile of the outside, one version includes ribs for some grip. Haven't tested to see what infill/perimeter keeps the can the coolest, but I'd guess it's to print with minimal infill to allow for a trapped pocket of air for insulation.
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