In other words, why are ice cubes trays shaped like the left-hand figure instead of the right-hand one?
![]()
If the cube were more square-shaped like the second figure, it would have more volume, thus having more ice in total and keeping the drink cold for longer. I also suspect it would be less likely to slip from people's hands. So why not?

If the cube were more square-shaped like the second figure, it would have more volume, thus having more ice in total and keeping the drink cold for longer. I also suspect it would be less likely to slip from people's hands. So why not?