Simple DIY mask with flexible filter media options. Three sizes available; small, medium and large.
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updated March 26, 2020

Description

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Simple DIY mask with flexible filter media options. Three sizes available; small, medium and large. Use string, elastic cord, rubber bands, or other options to secure to head. anchors around the frame are very handy to wrap string around for a snug fit. Mask frame will conform under tension, or can be heated and formed to the face.

Ultimate goal is a low cost, fast printing, simple mask that could be used and discarded.

"Make everything as simple as possible, but not simpler." Einstein

This is a very fast print at 14 minutes for the large sizes. Two larges, three mediums or three smalls can fit on a standard 200mm X 200mm build plate.

ABS and PLA are both acceptable materials to print with.

Note: This mask is not as effective as a N95 HEPA, MERV 16, etc. but this is better than nothing.

Check out this link for more information about Best Materials for Making DIY Masks
https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/?fbclid=IwAR28ZtZP3utwGHE1hmqXdoeqxgHMpWmtT5lhNYXB1I33hURVa_j-pnDd7jo

More discussion about the Face mask here:
https://www.facebook.com/groups/opensourcecovid19medicalsupplies/permalink/677025009774561/

*Please provide feedback and picture**

Solidworks 2020 file Located Here:
https://grabcad.com/library/diy-face-mask-1
The Solidworks files are open for modifications. All I ask is to reference this design :-)

Update:

Print instructions

How to form the mask frame to the face (PLA)
Option 1 (3D printer bed)
1) Heat 3d printer bed to 65-75C
2) Place mask frame on bed
3) Wait 10-20 seconds or until frame is mold-able
4) Press mask frame against face. Allow frame to cool
Option 2 (hot water)
1) Boil water
2) Place mask frame in water
3) Wait 10-20 seconds or until frame is mold-able
4) Remove frame with tongs. Water is very hot, do not use hands
5) Press mask frame against face. Allow frame to cool
Option 3 (Heat gun or blow dryer)
1) Set Heat gun to low or Blow dryer to high
2) Heat mask frame until it is mold-able. (5-15 seconds?) Move heat source around the whole time.
3) Press mask frame against face. Allow frame to cool

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