A popular account of how the Torquato-Jiao algorithm is being used to find optimal packings of different-sized spheres for applications in 3D printing can be found here Categories News Date/Time March 9, 2021 - 9:41 pm Author ms87 Link to the article from Princeton’s Department of Chemistry here. Image: a dense packing of spheres of two different sizes made using the Torquato-Jiao algorithm.