Difference between revisions of "COVID-19 Response/COVID-19 Face Shield"

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Hacksburg is standing by to produce face shields if requested by local officials or medical facilities.
 
Hacksburg is standing by to produce face shields if requested by local officials or medical facilities.
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== Design ==
+
 
 +
== Current Actions ==
 +
* Coordinating with [https://www.facebook.com/groups/881410205614868/ 3D Printed PPE Roanoke VA]
 +
** Supplying 1500 DtM face shields to Carilion Hospital for delivery to Carilion medical facilities
 +
** Supplying previously produced Prusa/Budmen/Verkstan designs to first responders (designs not approved by Carilion)
 +
** '''If you have a 3D Printer and are interested in assisting, join this group!'''
 +
* Coordinating with Virginia Tech group
 +
** Trying to get a UW style shield approved by Lewis Gale
 +
** Hacksburg standing by to provide access to manufacturing equipment while VT is closed
 +
 
 +
== Current Design ==
 +
* US Version Prusa RC3 Headband: https://3dprint.nih.gov/discover/3dpx-013409
 +
** Faster printing than design with brim
 +
** Pegs spaced to use clear shield with 3-hole punch
 +
* Laser cut Verkstan-style headband
 +
** Remixed from https://3dprint.nih.gov/discover/3dpx-013306
 +
** 2.5 minutes per headband
 +
** Grips head, does not require elastic
 +
* Custom designed laser cut clear shield
 +
** 5-hole design compatible with Euro and US hole-punch spacing
 +
** Optional integrated brim to provide overhead protection
 +
 
 +
== Alternate Designs ==
 
* Open source face shield from University of Wisconsin: https://making.engr.wisc.edu/shield/
 
* Open source face shield from University of Wisconsin: https://making.engr.wisc.edu/shield/
 
** Drawing: https://www.delve.com/assets/documents/Open-Source-Face-Shield-Drawing.pdf  
 
** Drawing: https://www.delve.com/assets/documents/Open-Source-Face-Shield-Drawing.pdf  
 
* Cheap and fast to produce - no 3D printing required
 
* Cheap and fast to produce - no 3D printing required
 +
* Other options we thought about:
 +
** https://3dprint.nih.gov/discover/3dpx-013238?fbclid=IwAR13_cB6DR475PvbUBBAAXCPud9X3EwqKkwqGkocr1iaeoQlIrhFKsjkupE
 +
*** Undergone review in a clinical setting and is recommended when fabricated as instructed by the National Institutes of Health
 +
** http://makernexuswiki.com/index.php?title=3D_printed_face_shields
 +
*** Shields the top of the head with transparent shield material, faster to print than NIH design
 +
** https://www.protohaven.org/proto-shield/
 +
*** Laser cut design; only requires PETG and elastic band
 +
** https://pwp.gatech.edu/rapid-response/face-shields/
 +
*** Laser cut design; only requires PETG and elastic band
 +
 
== Materials ==
 
== Materials ==
 
* Clear shield
 
* Clear shield
 
** CLEAR POLYESTER FILM - 0.007" THICK, MCMASTER-CARR PART NUMBER 8567K64 (https://www.mcmaster.com/8567k64)
 
** CLEAR POLYESTER FILM - 0.007" THICK, MCMASTER-CARR PART NUMBER 8567K64 (https://www.mcmaster.com/8567k64)
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** PETG from soda bottles - supplied by Coca-Cola
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** PETG from soda bottles - potentially supplied by Coca-Cola
 +
** PETG Window film - donated by Eastman Precision Films
 
** Projector transparencies
 
** Projector transparencies
 +
** https://www.piedmontplastics.com/products/petg
 +
** https://www.usplastic.com/catalog/item.aspx?itemid=23337
 
* Elastic band
 
* Elastic band
 
** ELASTIC LATEX FABRIC (1" WIDE X 13" LONG), MCMASTER-CARR PART NUMBER 88225K68 (https://www.mcmaster.com/88225k68)
 
** ELASTIC LATEX FABRIC (1" WIDE X 13" LONG), MCMASTER-CARR PART NUMBER 88225K68 (https://www.mcmaster.com/88225k68)
 +
** Alternative: https://www.bestmaterials.com/detail.aspx?ID=20220&gclid=EAIaIQobChMI5f6FvajA6AIVg5yzCh3VuwaAEAQYBSABEgLtqfD_BwE
 +
*** Makes 26 foam pads per spool.
 
* Brow Foam
 
* Brow Foam
 
** ADHESIVE BACKED POLYURETHANE FOAM (1" TO 1 3/8” THICK), MCMASTER-CARR PART NUMBER 8614K84 (https://www.mcmaster.com/8614k84)
 
** ADHESIVE BACKED POLYURETHANE FOAM (1" TO 1 3/8” THICK), MCMASTER-CARR PART NUMBER 8614K84 (https://www.mcmaster.com/8614k84)
 +
** Alternative: https://smile.amazon.com/Exercise-Strength-Resistance-Stretching-Workouts/dp/B07THMV2B1
 +
*** Makes ~400 bands per 24 yard purchase.

Latest revision as of 16:35, 1 May 2020

Hacksburg is standing by to produce face shields if requested by local officials or medical facilities.

Current Actions

  • Coordinating with 3D Printed PPE Roanoke VA
    • Supplying 1500 DtM face shields to Carilion Hospital for delivery to Carilion medical facilities
    • Supplying previously produced Prusa/Budmen/Verkstan designs to first responders (designs not approved by Carilion)
    • If you have a 3D Printer and are interested in assisting, join this group!
  • Coordinating with Virginia Tech group
    • Trying to get a UW style shield approved by Lewis Gale
    • Hacksburg standing by to provide access to manufacturing equipment while VT is closed

Current Design

  • US Version Prusa RC3 Headband: https://3dprint.nih.gov/discover/3dpx-013409
    • Faster printing than design with brim
    • Pegs spaced to use clear shield with 3-hole punch
  • Laser cut Verkstan-style headband
  • Custom designed laser cut clear shield
    • 5-hole design compatible with Euro and US hole-punch spacing
    • Optional integrated brim to provide overhead protection

Alternate Designs

Materials

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