Two styles for two diffent sizes!
Print with 3 walls and .1mm layer height.
Just slip them on over the bottom and bring torwards the top until firmly secured.
The larger ring on the dual ring version must go on first, then the smaller ring.
The 40 oz must take the smaller ring band and push into the larger ring band to connect the two pieces before installation.
Must use TPU filament to get the soft and bendable comfort of this must have Owala accessory!
The author marked this model as their own original creation.