3D Printed Mask Frames to enable reuse and improve the fit of N95 and KN95 respirators
Updated on 06/30/2021
The summary of this design and its clinical testing is available as a publication and at the NIH 3D Print Exchange. This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Creative Commons License
We thank the Harvard University Graduate School of Design, where 3D printing for the project occurred, and for providing access to design software and materials for prototyping.
Mask frame fitting 3M 1860, KN95, and duckbill respirators

.stl and .3dm files

Step-by-step instructions for assembly
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PanFab 3D printing design files
Instructions for PanFab mask frame assembly