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Customizable "Ear Saver" strap
Print two, snap them togetherCOVID19
A permissive Free Software license that lets this work be widely shared with few restrictions.
After testing multiple "Ear Saver" designs, I found the "Surgical Mask Strap Support by BlackoakStudio", which is shaped by snapping two halfes together, to be the most scalp-friendly.
On the other hand I prefer hooks instead of pins to catch the mask straps.
And two instead of one catching points.
So I made my own version - parametric in OpenSCAD.
Materials and methods
Filament and "filtering facepiece".
Customize the snap-fit and hook positions to your needs by printing a few of these...
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