3D Printed Mask Shell with Holes for Stitching Cloth To
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The idea with this face mask is to have it look like a regular old cloth mask, but seal better to the face (better protection, less glasses fog), essentially a respirator in disguise. It could be great for those wanting better protection but not wanting to stand out. Also, it offers a lot more filter surface area than a lot of DIY respirators out there and doesn't collapse to the face like most cloth masks.
It's a shell with holes around the perimeter that you can stitch filter and regular cloth too. I also designed it so there is enough surface area between the holes and the grill such that a gasket can be attached to get a better seal.
I designed it with Rhino 3D to fit my face (scanned my face with Scandy app and latest iPad true depth camera). If this project were to be taken further, I figure there could be a multi dimensional array of sizes to accommodate a variety of face shapes, or maybe even on the fly customization. A material could be selected that can be easily thermoformed to get a perfect fit.
For now, anyone wanting to try this project could just scale my model and print with PLA to permit some thermoforming.
For the filter cloth, I just used two layers of interfacing. I'd really like to get my hands on some decent filter cloth. If anyone out there knows a decent source in Canada without price gouging, please let me know.
The knobs work great for the straps. Just cut a slit on each end of two straps and voila (with a bit of sizing…
