Chilean startup Copper3D, which creates various types of masks that protect against toxins and infections, has released the 3D design of the NanoHack protective mask.

Copper3D’s NanoHack mask can be printed on a 3D printer within 2 hours. For the first two days, the design of the mask has been downloaded three million times. In general, the service was used by people and organizations from 48 countries. However, due to the large influx of users, the site where the design was released is periodically unavailable.

The startup says that the server does not support more than 500,000 concurrent visitors. Different types of masks can be downloaded at:

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