
Meet the world's smallest snowman, created by Western Nanofabrication Facility. At only 3 microns tall, the snowman was fabricated from three 0.9-micron silica spheres stacked by using electron beam lithography. The snow...
http://www.neatorama.com/2017/04/02/Worlds-Smallest-Snoman-is-Just-3-Micron-Tall/