How to Make a COVID-19 3D Printed High Filtration Mask Frame

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How to Make a COVID-19 3D Printed High Filtration Mask Frame

By Christopher Wiles FEATURING Augustus Mazzocca

19,705 views

April 8, 2020

*99.9% claim is based on previous claim - TESTING IN PROGRESS TO CONFIRM PARTICLE FILTRATION ...
read more ↘ AT THE 0.3 MICRON LEVEL. - will update with results when finalized. Use at your own risk. Educational purposes only:

Files are here: thingiverse.com/thing:4262131
This tutorial shows how to make a high filtration mask from blue surgical tray material called Halyard H600, though doing so is not endorsed by the company or guaranteed. This is an adaptation of a mask sewn from this material detailed by Dr. Bruce D Spiess. It has been claimed that both 1 and 2 layers filter over 99% of small particles, implying it is better than n95, but this testing to confirm is underway. Above all else, the most important aspect is a good seal, which this mask strives to create.

See Dr. Spiess' sewing tutorial: https://ufhealth.org/news/2020/uf-hea...

To apply to 3D printing instead of sewing, we call this the "CEG Extreme". What we did at the Musculoskeletal Institute at UConn was to adapt a face frame to allow 1 or 2 layers of this material to be pressed to your face. You can use elastics or IV/phlebotomy tourniquets cut into 1/3's. Pre-tie the knots and slide into three slots. Tie addition knots to increase tension as needed. The final knot locks in like floss between teeth and avoids the need to pull over the head. Print with 100% infill.

Files are open source and you may use it non-commercially to make these masks, per your hospital policy, given the CDC's relaxed guidelines for homemade masks.

If you experiment with using this in addition to surgical masks or in other masks or applications, please share what works best for you. We are all in this together trying to find the most safe and creative ways to make it though this pandemic. DO NOT USE in place of approved masks if they are still available and use at your own risk.
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