hello, i share the development i did from march 22, 2020 to april 20, 2020 on the design of a face protection against covid sras influenza etc...
I developed the design for anthony seddiki's solidarity visitation community based on the PRUSA model.
This model is manufactured voluntarily by the makers to provide facial protection to caregivers in the face of the covid epidemic19.
suitable for FDM
can be removed without tools for cleaning
Comfort is taken into account, sufficient distance between the face and the screen to limit fogging, can be replaced with one hand.
use of a protective film in A4 format available in stationery shops ("front cover" type sheet for training report to be bound for example) I recommend a thickness of 300 microns, available during the confinement at bureau vallée or hyper buro in recessed drive.
V25B: only 6g per piece or about 150 pieces/kg
New fastening, no more clips, baffle retaining system, need to perforate the sheet with a perforator
improved ergonomics, consideration of people with large glasses, compatibility with ffp2 duck type mask
version evolution :
The main goal was to reduce the printing time because it was excessive for my taste...
Removal of holes in the strip in contact with the front (too much stop start of the printer)
reduction of the material over the versions
Geometry optimization to avoid rapid movement of the 3D printer.
printing for personal use: authorized
printing for commercial use: refused
It is forbidden to sell this model, only donation or exchange for printing filament is allowed.
Friends, help your country, save your family, protect nurses for free.
nozzle 0.6 mm
Enseignant en ingénierie mécanique au lycée Lafayette de Clermont Ferrand
Mechanical engineering teacher in LAFAYETTE school, Clermont Ferrand , France
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