Cooler mug with replaceable ice ring

Ice cooler in the palm of your hand Why this cooler over others?Why should I use this over other models?Replaceable ice rings allows for all day use as it is swappable for a fresh one.Ice ring allows free expansion of water when it freezes - anyone who has left a can in the freezer knows that your newly printed mug will suffer structural issues from freezing.O-ring keeps the ice sealed, meaning you don't get wet from melted ice when you take a drink.Details of useThis model has 4 partsice ring - fill section up with water to place in freezer untill frozen. Print multiple to have a constant source of cooling for your drinking sessionmug body - insert ice ring into mug bodyo-ring - print in TPU and place into recess on base of mug bodyscrew base - screw base on to mug body to lock ice ring in and seal it from when it defrostsEnjoy