An internal project under Rattl has been to try create a better mask for the (Covid) times.
While it is possible we fail to actually create an ideal one, the exercise so far has been a learning one.
This is post #3.
Post 1 listed some basic criteria and good to have features that served as guidelines/constraints and some initial sketches.
Post 2 factored in all the basic criteria and most of the ‘good-to-have’ features, in that it was transparent (though slightly off the mark) and had reasonably good circulation.
Based on the basic criteria, good-to-have features and general observation of regular folk preferring a handkerchief to a mask (walking through markets, handkerchiefs seem to be a preferred choice, especially for those needing to wear it all day), the next prototype has the following:
- Addresses all basic features (though I didn’t have the time to cut out a section so it fits better around the nose)
- Safety (basic criteria) is far higher than a handkerchief
- Regarding ‘good-to-have’ features, it wasn’t transparent, but circulation was probably better than with handkerchiefs
What it is, is a section (slightly less than half) of a takeaway plastic soup bowl between the folds of a regular handkerchief.
Used a mini vice to hold the bowl in place, and cut it with a rotary tool.
Since a good number of people prefer a handkerchief (possibly due to convenience and affordability), but are probably not aware of the limited safety provided, this design simply offers a safer handkerchief.
Strings from the bowl (how about call it mask henceforth? 😁) run along the ends of the handkerchief folded in half (how people normally fold it before tying).
How it is different or safer than regular handkerchiefs, is the plastic over the nose and mouth section prevents any direct spit/particles from anyone nearby landing on the handkerchief from passing right through.
The bulge creates breathing room, something both handkerchiefs and regular masks don’t offer, and which is what causes a lot of people to slide them down or stop wearing them – the suffocation.
The small breathing space offered by the curvature of the bowl makes it more comfortable to wear, and the bottom section of the handkerchief can be partly folded into the bottom section of the mask, to allow for better ventilation while not giving direct exit to any germ from the user.
Let me know what you think!
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