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URL: https://dx.doi.org/10.17504/protocols.io.bd77i9rn

Authors: Giana Schena, Emma Murray

Group: Coronavirus Method Development Community

Summary: During the height of the COVID-19 outbreak, personal protective ​equipment shortages​ are felt around the world, in spite of the fact that traditional face masks are not even sufficient to fully protect against the 0.125 micron​ ​SARS-CoV-2​ virus.​ Medical personnel, more than any other sector, are being hit hardest by this shortage, given their close contact with infected persons. During this time of crisis and shortage, alternative and atypical solutions are necessary to ensure the protection of those who are on the front lines against this disease. One solution is the creation of reusable 3D-printed personal protective equipment (PPE) in conjunction with appropriate disposable filtration.3D-printed face masks are available on a variety of different open source 3D-printing online platforms. Unfortunately, the general public remains largely unaware of these potential solutions and can also be intimidated by the lack of information available regarding how to integrate scientifically appropriate filters. The intention of this white paper is to make available the information needed for simple construction of effective 3D-printed masks. We recommend a 3D printed ​face mask​ design made available by ​CREALITY​, a leader in 3D-printing machines. By using CREALITY’s open source designs and easily obtainable air filters, cut to a desired size, we can increase our ability to protect medical workers against this disease. Additionally, CREALITY offers designs for a 3D-printed ​eye mask​ that can be used with plexiglass to protect eyes against airborne droplets. In practice, CREALITY’s 3D model object STL files can be uploaded into any available ​slicer software​ allowing for creation of specific commands for 3D printers. Within the slicer, face mask and eye mask models can be scaled to small, medium, or large to fit a variety of face sizes. We have also included ​strap adjustment clip​ models for use with facemasks and a ​face shield​ to extend the life of traditional facemasks.We also propose a plan to coordinate large-scale construction of crowd-sourced 3D printed masks with collection and delivery of said masks to at-risk businesses, in particular hospitals and care facilities.

Affiliations: Temple University, Temple University

Version: 1

Publication Date: 2020

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