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Face shield mask model 2 for smaller 3D printers

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Creation quality: 5.0/5 (1 vote)
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  • 14 downloads

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  • small_mask_v2.STL
  • small_mask_v2_cheaper.STL
  • small_mask_v2_low_poly.stl
  • small_mask_v2_tensor.stl

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Publication date 2021-03-29 at 07:09
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Published to Thingiverse on: 2020-04-25 at 22:18
Design number 349778

3D printer file info

3D model description

I recommend to use directly the model 3 of this mask, because is the lastest. This is a modification of a mask I was working on with a team of my university, with the purpose of providing technically studied, tested and redesigned 3D printed supplies, to medical centers here in Argentina in this global health emergency.
I modified this mask for smaller printers than the usual 20cm x 20cm hot bed. The smaller side of the hot bed must be 13cm or higher; and the other side must be 17.5cm or higher.
With the feedback of medical proffesional from the original model, we create a new version with the some improvements:

The contact with the front head is now zigzag shaped, reducing the contact area, and making easier to print than the previous one.
The attach for the acetate plaque is now a tensor piece, that makes an easier to print, tense holder that prevents accidental disassembly.

The disadvantages of this model are the difficulty in its assembly and its longer print time.
This model must be used with a 25cm wide acetate, so it may not cover as much as needed for medical use.
To cut the corners of the acetate plaque I've designed this stencil.

Warning: although the original model was designed and approved for use within medical facilities in exposure to COVID-19 patients, the model posted here was never tested for this use, so it could be used for public attention but it must not be used as first barrier against these patients.

Other models

Model 1, remake, for smaller 3D printers.
Model 2, for smaller 3D printers.
Model 3, for smaller 3D printers.

Español
Recomiendo usar directamente el modelo 3 de esta máscara, debido a que es la última version. Este post es una modificación de una máscara en la que estuve trabajando con un equipo de mi universidad, con el objetivo de proveer de insumos impresos en 3D, estudiados, testeados y rediseñandos para centros médicos acá en Argentina, en esta emegencia sanitaria por el virus COVID-19.
Modifiqué este modelo para ser impresos en impresoras más chicas que la impresora promedio de 20cm x 20cm. El lado más corto de la cama debe ser de 13cm o más; mientras que el otro lado debe ser 17,5cm o más.
Con la realimentación de profresionales de la salud sobre el modelo original, desarrollamos una nueva versión con las siguientes mejoras:

El contacto con la frente tiene forma de zigzag, reduciendo la superficie de apoyo y haciéndolo más rápido para imprimir.
La aprehensión del acetato se hace con un tensor impreso aparte, lo que facilita su impresión y su limpieza y da una agarre más firme.

Las desventajas de este modelo es la dificultad de su armado y su mayor tiempo de impresión. Este modelo debe ser armado con un acetato de 25cm, por lo que no cubre lo recomendable para el uso con pacientes.
Diseñé este stencil para cortar las esquinas del acetato.
Atención: aunque el modelo original fue diseñado y aprobado para su uso en centros médicos con exposición a pacientes con COVID-19, el modelo publicado en este post nunca fue testeado para este uso, por lo que puede usarse en atención al público pero no debe usarse como primera barrera contra éstos pacientes.

Otros modelos

Modelo 1, remake, para impresoras 3D más chicas.
Modelo 2, para impresoras 3D más chicas.
Modelo 3, para impresoras 3D más chicas.

3D printing settings

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