https://www.youtube.com/watch?v=eha18YVcpwQ
Here’s Hidetsugo Ueno, a barman from Bar High Five, Tokyo, hand cutting ice in the shape of a giant diamond. Why? You don’t need a why. It’s not a perfect sphere, but it sure looks a lot cooler.
https://gizmodo.com/how-to-make-the-perfect-ice-cube-5945245