Thank you everybody for your data and comments, please keep 'em coming! I am keeping everyone's suggestions in mind as I go. As several users have mentioned, the challenge is to accommodate as many facial geometries as possible, balancing comfort with effective sealing. And please also note I am a p...

Hi Everybody, I am a design engineer, and I was wondering if each of you could spare a moment to help me with a company project. We are designing a new CPAP full face mask, with a goal of accommodating as many users as possible by optimizing sealing, fit, and comfort. I’m currently collecting data o...