COVID-19 Response/COVID-19 Face Shield

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://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
• Other options we thought about:
  • http://makernexuswiki.com/index.php?title=3D_printed_face_shields
  • https://www.protohaven.org/proto-shield/

Materials

• Clear shield
  • CLEAR POLYESTER FILM - 0.007" THICK, MCMASTER-CARR PART NUMBER 8567K64 (https://www.mcmaster.com/8567k64)
  • PETG from soda bottles - supplied by Coca-Cola
  • Projector transparencies
  • https://www.piedmontplastics.com/products/petg
  • https://www.usplastic.com/catalog/item.aspx?itemid=23337
• Elastic band
  • 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
  • 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.