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COVID-19 Response/COVID-19 Face Shield: Difference between revisions
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(Created page with "Hacksburg is standing by to produce face shields if requested by local officials or medical facilities. == Design == * Open source face shield from University of Wisconsin: ht...") |
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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. | ||
== Design == | |||
* Open source face shield from University of Wisconsin: https://www.delve.com/assets/documents/Open-Source-Face-Shield-Drawing.pdf | == 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/ | |||
** 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) | ||
** PETG from soda bottles - supplied by Coca-Cola | ** 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. | |||