Face Masks
99.5% filtration efficiency Mask
Nurse Tommye Austin shares instructions on making a mask with MERV 13+ HVAC filters. Interestingly, she also appears to use Halyard sterilization wrap for the non-filter material.
Link: News Article with Step-By-Step Instructions
Material filter Testing
Johnny Chung Lee and Nina Shih provided some insight into the effectiveness of various filter materials using a particle counter.
Link: Results
Link Methodology
paperMake mask
Dexter Chew Xuan Han provides an instructable and template for a paper cut-out mask using card stock and a filter.
Link: PaperMake
Basic REspirator using tyvek
Hunter Futo provides a design for a basic respirator using Tyvek.
Link: https://basicrespirator.com/
The montana mask
We've posted their mask below, but this is a DIY mask that has gone through more rigorous testing than many of the other DIY options out there.
Link: https://www.makethemasks.com/
UF Halyard H600 mask
University of Florida has a instructions on building a mask out of Halyard H600 material.
Link: https://anest.ufl.edu/clinical-divisions/mask-alternative/
CDC face mask guide
The CDC now recommends use of cloth face masks and provides a guide on how to make your own. Please note that these masks, like most cloth masks, have very poor filtration properties compared to N95 or surgical masks. This site recommends a filtration layer, which you can find in some of the other guides.
Ragmask face mask instructions
Jean Whitehead and team at Ragmask.com have simple instructions on a DIY face mask.
Link: https://ragmask.com
Snorkel mask adapter
Brubotics offers a 3D-printable adapter for the Decathalon snorkel mask and the ventilator in-line circuit filters.
Link: Snorkel Mask Adapter
Standardized Synthesis of Face Masks PRoposal
Nirupa Gadi, et al., provides a proposal of standardized face masks during shortages. The proposal goes over various filter material and construction.
Link: Standardized Synthesis of Face Masks Proposal
Mask with Screw-In Filters
Silviu Stroe provides instructions and a good overview of 3D-printed masks.
Link: 3D Printed Mask with Screw-in Filters
Quantitative Respirator Mask Testing
Dr. Scott N. Schiffres quantitatively tests HVAC filters, baby wipes, paper towels and coffee filters. HVAC filters (Filtrete 1900) was most similar to N95 mask material, but would have to be layered to achieve higher filtration.
3d printed face mask
Chris Stanford designed a 3D printed masked with changeable filter with moldable edges to maintain seal on the face.
Link: Reusable Face Mask
Joann Fabrics face mask video
Joann Fabrics has a video guide on making a cloth face mask, including all the supplies you'd need.
Link: https://www.joann.com/make-to-give-response/
Sew to stop Covid-19
Gloria Hansen has collected resources on sewing masks, N95 covers, neck gaitors, scrub caps and more.
Link: http://www.covid-19.gloriahansen.com/sewing.php
HK Consumer Council consumer mask
HK Consumer Council released instructions on DIY face mask using paper towels and tissue paper. The claim that "two kitchen paper towels as the outer layer achieved over 90% function of surgical mask in terms of filtration of 20-200nm aerosol."
Link: HK Consumer Council face mask
THeMaskPros DIY resource
TheMaskPros.com have gathered several resources on making your own face mask, including videos and patterns.
Link: https://themaskpros.com/
3d printed adapter for snorkel
Custom Surgical designed an adapter that connects a snorkel with a in-line ventilator filter, allowing for a full-face mask. STL files available for download.
Link: MedSHIELD-19
Sewing reusable cloth masks
Dr. Megan Lord provides a guide on sewing together a reusable cloth mask with a disposable filter pocket.
Link: Reusable Cloth Masks with Non-Woven Filtration Layer
Full-Face HEPA Snorkel Mask
Derek Kazahaya suggested placing a HEPA filter over a standard full-face snorkel mask to provide full face protection.
Link: Full-face HEPA Snorkel Mask
3D Printed Mask Tutorial
Dr. Chris Wiles provides a tutorial into making a 3D printed mask with furnace filters. One of the best DIY masks out there at this time. STL files provided on thingiverse.
Link: https://www.thingiverse.com/thing:4237783
Another 3D Printed Mask
Billings Clinic offers directions and STL files for making your own 3D printed mask.
Link: https://www.billingsclinic.com/foundation/
Link: Directions
Link: STL files
CPR mask with P100 filter
Angela Meraki at TheWorcShop created an adapter to couple a CPR mask with a Honeywell North N Series P100 Filter.
Link: CPR Mask with P100 filter.
Elastomeric Respirator
Dr. Brianna Slatnick shows you how to make a respirator using an anesthesia face mask and ventilator in-line filter.
DIY Cloth Mask from HK
Dr. K. Kwong has a guide on the creation of cloth masks, which he estimates has N70 filtration using kitchen paper towels.
Link: https://diymask.site/
No Sew Face Mask
Raphaela Laurean makes a face mask using furnace filters. She uses MERV 13 filters that are able to filter particles down to 0.3 µm.
Deaconess face mask video
Deaconess released a video on how to make a face mask. These are cloth masks, not respirators.
Link: How to make a face mask
Face Mask Kit Sewing tutorial
Providence St. Joseph Health has a sewing tutorial that teaches you how to make non-N95 face masks.
Video: https://vimeo.com/399324367
Best materials for DIY Masks?
Paddy Robertson, CEO of Smart Air, wrote this article comparing various materials for DIY face masks.
Link: Best Materials for Making DIY Masks?