EWI Shares Medical Mask Design on Open Source
In rapid response to the shortage of protective medical masks due to the Covid-19 pandemic, EWI has developed an easy-to-produce, compliant mask prototype. The Vacuum Formed Stop-gap Face Mask design is now available to the public and free via open source.
The mask prototype was developed and tested over a six-day
period by EWI in partnership with Building
Momentum of Alexandria, Virginia. The advantages of the design include:
- Rapid scalability — A single production vacuum forming system can manufacture 1,000 mask shells in four hours at less than $0.50 per shell
- Comfortable, form-fitting pattern — Vacuum forming can readily form thin, flexible materials that conform well to the face.
- Reusability — The filter is easily replaceable, and the mask shells are re-usable lowering the cost per day.
- Flexible and configurable – multiple designs are available and modifiable; mask repair can be done in the field with readily available items.
The model and specs for the Vacuum Formed Stop-gap Face Mask
are available on the NIH
3D Print Exchange.
For more information about EWI’s capabilities for rapid
prototyping and technology development, contact [email protected].
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