Filter For The 3d Printed Reusable Face Mask.

Today, I wanted to work on the cloth filter for the Reusable 3d Printed Face Mask. For the first prototype filter, a cotton T-shirt was used. I wanted to use a white shirt, but the cotton seemed thin.I found a light blue shirt with thicker material and a higher thread count.

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A frame was printed to help form and hold the material in place. The material is cut twice as wide as the frame so it can be doubled over.

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The frame is placed so the fabric can be wrapped around it and form a seal when placed in the cover.

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The frame holds the cloth in place very tightly . There is enough room to fit more material if desired.

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The second cloth filter tested is made with a white cotton glove. For an unknown reason, I have a bag of 100 pair. They look like the gloves butlers wear and are made with the same material as a T-shirt.

First, I place the frame on the fingers of the glove.

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Next, the glove was turned inside out over the filter frame. The fingers were spaced out inside the glove so they would cover as much area as possible.

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The glove filter barely fit the cover. The compartment was completely filled with the material.

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The glove made a very good seal to the front of the mask. It was also very easy to construct since nothing was really modified on the cotton glove. In my next post, I will be exploring options for sealing the sides of the mask better.

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Links

https://km4nmp.com/2020/04/04/modifying-the-3d-printed-reusable-face-mask/

https://km4nmp.com/2020/03/29/another-3d-printed-reusable-face-mask/

https://km4nmp.com/2020/03/22/3d-printed-reusable-face-mask/

Macarr Labs

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