Abstract

Masks are used in daily life, as useful hygiene products, for purposes such as guarding against pollen and facilitating cough etiquette. When worn to prevent and control infection in daily life, it is important that the mask fits the wearer’s face perfectly. Even when the wearer is talking, the mask sheet must adapt to the wearer’s face. Therefore, the present study considers a mask sheet pattern with high fit performance for female wearers based on measured three-dimensional (3D) female facial shapes with the mouth either closed or open. Comparing the closed-mouth facial shapes with open-mouth ones, a mask sheet pattern is sought, deformation amounts of sheet area and length in the pattern while opened mouth.

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