Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...

Some hospitals spent a chunk of COVID-19 disaster funds on custom-made masks for their paramedics. Even though they had the first chance to get the vaccine, the masks are for extra protection. Premier ...