A New York couple has transformed a 3D printing business in their basement into an assembly line for desperately needed medical supplies. After a couple days and half-a-dozen prototypes, they came up with masks. Stephanie Keef and Isaac Budmen rallied friends, who joined them in forming a volunteer team to assemble the face shields. They've made over 400 so far – all donated to their local hospital emergency room. Inundated with emails from 3D printer owners looking to help and hospital administrators looking for medical supplies, the couple shared their printing method online, to an overwhelming response. Their design has been downloaded more than 2,000 times and counting. Isaac explains, "If we can accelerate the flattening of the curve by deploying this technology and getting people connected, then it's time well spent."