The ventilation holes of the mask

Abstract

1. The name of this design product: ventilation holes of the mask. 2. Purpose of the product of this design: The entire product is used for a mask, and the part for which protection is requested is the ventilation holes of the mask. 3. The design key point of this appearance design product lies in the ventilation hole part. 4. The picture or photo that best illustrates the key points of the design: main view. 5. This design product is a thin product, and other views are omitted. 6. Other situations that require explanation: The part in the middle of the mask that is not covered in black and white is the part that requires protection. The model in this design is only used for display and is not protected.

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