This is the Printable .stl for the QuickPrint COVID-19 HEPA Filter Mask (Filter Material Polycarbonate .3 Micron).

ATTN: YOU MUST PRINT THE MAIN BODY OF THE MASK IN TPU, AS WELL AS IN VASE MODE (WITH 2MM BRIM)

Printing instructions: 

Print the Face Mask Hard Shell (PETG/PLA) and Soft Shell (TPU) with a 1mm nozzle and a 1.12mm extrusion width at .4mm - .5mm layer height in vase/sprial vase mode. If you have your print settings dialed in you should be able to print all pieces of this mask in about 47 minutes.  

The Files for this print are alos Located on my website JoshHughes.Studio

If you are a medical offical, and want to colaborate in the design process please feel free to reach out to me directly via email at 

Josh@JoshHughes.studio

Here is an article about the use of TPU with FDM here https://www.ncbi.nlm.nih.gov/pubmed/30961229 in medical equipment(if you are insterested)

The filter which attaches to this mask can be found here. https://www.amazon.com/Amyehouse-Accessory-Replenishment-Including-Compatible/dp/B01KNZCW8E/ref=sr_1_6?dchild=1&keywords=Roomba+Hepa+filter&qid=1586287674&sr=8-6

PLEASE ENSURE that the 700 series Roomba HEPA filter is made from Polycarbonate (PC) and NOT FIBERGLASS. 

The filter that fits this mask is a HEPA Filter which is certified to filter particulate down to .3 micron. This is the same filtering requirements for the N95, P95, and R95 masks