Covid ShapeDiver

Hey, i wanted to ask if anyone here know what is the equation behind the ShapeDiver for the COVID19 ?
https://safeairspaces.com/safeairspaces-estimator
Thank you guys! :slight_smile:

It’s a research led by Dr. Kevin Van Den Wymelenberg from the University of Oregon. He has a Twitter account and I’m sure you can reach him over there:

https://twitter.com/Wymelenberg