{"data":{"model":{"id":"25857","slug":"prusa-face-shield","name":"Prusa Face Shield","authorship":"author","club":false,"excludeCommercialUsage":false,"price":null,"eduProject":null,"ratingAvg":"4.8188976378","myRating":null,"ratingCount":127,"description":"

A prototype face shield that we developed. In three days, we went through dozens of prototypes and two verifications with the Czech Ministry of Health.

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On May 14 2020, this RC3 version received the CE certification and it complies with the EU regulation about personal protective equipment. It can, therefore, be officially used as a protection against mechanical impact. We state that the purpose of the use is to provide the wearer with frontal protection against flying drops. Unfortunately, every manufacturer has to go through the certification procedure individually. For more information read the article How to get a certification for face shields.

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Useful links

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\r\nAll about 3D printed Face Shields\r\n
\r\nStacked versions of the Shield - 1h 20min per pcs\r\n
Prusa Face Shield - \r\nUS version\r\n
\r\nHow to get a certification for face shields\r\n
\r\nLearn How to coordinate (not only) the protective face shields printing\r\n
\r\nDiscover Groups near you\r\n
\r\nHow to STERILIZE the face shields\r\n
Visor PDF drawing: \r\nNormal size, Extended version (dentists)\r\n
\r\nArticle: From Design to Mass 3D printing of Medical Shields in Three Days\r\n
\r\nFAQs (frequently asked questions)\r\n
Official statement from Czech Ministry of Health approving the use of our Face shields

Version PRUSA PRO (RC4) changelog
\r\nChanges from RC3:

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Larger visor that provides complete protection of the entire face (flying drops, sprayed liquids)
2 pins on the side for a better fixation of the visor
Visor cutouts for shoulders
meets the standard of EN 166:2001

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Version RC3 changelog
\r\nChanges from RC2:

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Removed hexagonal holes for faster printing speeds

With faster printing we use on our farm, some pieces had sharp points and based on testing, the venting is not needed as much

Several optimizations for stack printing
New print files with 4 headbands stacked on top of each other

Stacking headbands is a great idea by the community, especially useful for overnight printing

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Version RC2
\r\nChanges from RC1:

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Increased wall thickness (slightly stiffer and more durable)\r\n
- Inner wall from 1.5 mm to 2 mm
- Outer wall from 2 mm to 2.5 mm
The headband is no longer printed compressed - \r\nLower pressure on the temple
The visor was moved further away from the forehead - \r\nThis allows a better fit over bigger respirators and protective goggles
The printed part now has an extension for the visor (the visor curves less than the headband).

For now, both RC1 and RC2 versions are relevant. RC1 lets you fit more printed parts on a single print bed. However, if maximum yield isn\u2019t the priority, RC2 provides slightly better protection and is more comfortable to wear.
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If you want to manufacture shields for others
\r\nPLEASE READ THIS CAREFULLY

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Act as if you were infected by the COVID-19 virus. Wear a face mask and a fresh pair of gloves when collecting each batch of printed parts. Store the parts immediately in a sealable bag.
Talk with whoever you\u2019re making the shields for, let them know about your manufacturing environment
There is still debate about how long the virus survives on plastic, but most sources mention 2-3 days. That means that by letting the packed face shields sit for 2-3 days before distributing them, you\u2019ll greatly reduce risk of transmission
Do not store the entire stock in one place, minimize the risk of cross contamination

Assembly manual:
\r\nNote that assembly instructions are for the EU version, however, the US version is apart from the number of the pins the same.

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Online: English version, English Community version using a laminating foil, Czech version\r\n
PDF: English version (shorter)\r\n
Video:\r\n\r\n
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Rubber band
\r\nYou can either use a thicker one and make a hole in it at each end (make at least 10 mm cut) or use a thin one and tie it to both ends of the shield.

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Visor / front plate

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there is a DXF drawing in the File section (and an alternative longer version)
visor PDF drawing: Normal size, Extended version (dentists)
the holes can be made with a standard office hole puncher
we used 0.5 mm thick petg sheet (Covestro VIVAK), but you should be able to use any clear laser cuttable plastic with similar thickness.

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Top cover for the headband
\r\nA cover for the headband, which is useful for very high-risk environments as they provide even better protection.
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Fast print files for 4 stacked RC3 headbands
\r\nIf you own an Original Prusa printer, you can use our Speed optimized print files for the RC3 stacked version (1h 20min per pcs).

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Licence and selling of face shields
\r\nWe share these files under non-commercial licence. It would be great if you donated these shields to those in need for free. If you need to cover your production costs, we are ok with you selling the shields for production cost. However, we do not want to see these shields on eBay for $50.

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\r\n $\"shield$ \r\n

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Print instructions

Supports are not necessary.
\r\nPrint with at least 3 perimeters, about 30% infill.

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Ideally, print it from PETG.

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