Hi all, hope you're doing well.

Here's a potentially useful info from Slovenia. A manufacturer of 100%
cellulose napkins ("serviette"), usually sold to restaurants & hotels
at cents a piece, tested & certified them for personal protection with
the national University Clinical hospital. I suppose you might have
local versions of this available everywhere.

Here are some links, partially in Slovenian.
https://www.youtube.com/watch?v=oX9ZRpXnRPs : DIY video
https://www.seti.si/zascitne-maske?lang=en : DIY mask page (with more videos)
https://www.seti.si/airlaid/Airlaid-40x40-BELI?lang=en : Product page
from the manufacturer

david@totalism.org
from CHT7B @ https://next.totalism.org/





On Sun, 29 Mar 2020 at 03:45, David Venancio de Campos
wrote:
>
> Hey there everyone,
>
> Hellekin happy to ear from you again.
>
> I'm working on a ultra-thin breathing mask :
> http://www.3dlibre.com/breathing-mask
>
> (I didn't even put a https cert! no time. but btw I don't really care
> because the content is ... how to say... normal and no need to register
> etc. I'll do it asap but not in hurry on this)
>
> Just wanted to say "Thanks for the infos."
>
> About this one:
> https://www.sf2s-sterilisation.fr/infos/avis-conjoint-sf2ssf2h-sur-les-materiaux-utilisables-pour-la-confection-de-masques-de-protection-type-i/
>
> ... So that's why american hospitals are refusing DIY stuff also for
> sure. (there's makers asking "why they refuse my stuff ?!" in the fb
> group below) and I knew it from the start (I putted quite a lot of
> "cons" arguments on my mask)
>
> Do we have examples of volunteers being refused to help with 3DP or DIY
> stuff ?
>
> I'll transmit this in portugal to makers and 3D printers that want to
> help making masks or PPE for hospitals... (carbon copy of this e-mail,
> guys in contact with a engineer school in Porto)
>
> Been searching and I'm aiming on disposable masks 3D printed also but
> ONLY against droplets. Something equivalent to https://www.maspire.org/
> (not for hospitals) (even with not perfect sealing)
>
> Other concern is bio-degradable materials...
>
> So I'm aiming to do this : a mask for the general public easy to
> "mass-produce" but in PLA.
>
> Covered to make it waterproof and with no filter because that's another
> huge subject (cotton+copper maybe).
>
> FabLabs are super-active and I have found a wonderfull doc here :
>
> https://gitlab.fabcloud.org/pub/project/coronavirus/tracking
>
> You can see there's 3D-printed stuff all over the place.
>
> Other interesting subject is UV-sterelization boxes (saw a project from
> japan super easy to make but can't even find the link right now).
>
> Don't have time to say more and even, it's not my specialty, so I'm
> trying to focus on 3DP.
>
> There's a lot of DIY projects also on fb group (yep "fb"...) :
> https://www.facebook.com/groups/opensourcecovid19medicalsupplies/
>
> There's a reddit mega-thread here :
> https://www.reddit.com/r/3Dprinting/comments/fke0oz/coronavirus_3d_printing_megathread/
>
> So many projects I can't list them ! I let you make some research if you
> want to help with your knowledges from home. (like this thermometer :
> https://circuitdigest.com/microcontroller-projects/ir-thermometer-using-arduino-and-ir-temperature-sensor
> )
>
> The designs found on the net are getting serious, but still, they're
> might be dangerous if not well done.
>
> Our help can be super-important for people not having money to buy from
> companies, or at the opposite for people wanting to offer stuff to
> others (who have lots of money).
>
> over and out.
>
> PS: "better-than-nothing" agreed but "the best we can".
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