This is the world’s smallest 3D-printed wineglass, Swedish scientists claim

Scientists also made a tiny optical resonator for telecommunications out of silica glass

https://arstechnica.com/science/2023/07/this-is-the-worlds-smallest-3d-printed-wineglass-swedish-scientists-claim/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social