A quick update of progress from 2020-04-01 can be found [here](https://docs.google.com/presentation/d/1jY9FE1if-1H9EG4_PTsXMSJp7RggyXXnRyWPLdJphJE/edit?usp=sharing)
Main progress is being tracked inside a private (private in order to manage Signal/Noise ratio) slack channel on http://helpfulengineering.org
A little more info can be found at https://maskproject.tech
Here is an exploded view, and below that is testing at a NIOSH testing facility from over the weekend. The face mask shown is already outdated.
