This is an adapter I created in Onshape and 3D Printed to use my insulated 16oz YETI koozie with standard 12oz cans. This design utilizes multiple features that make it stand out over a generic 3D Printed spacer:
- Cutouts for fingerholes to make it easy to insert and remove from the koozie
- Bumpout on top to improve interface with 12oz can
- Air channel on the side to prevent the adapter from creating a vacuum and getting stuck in the koozie
