3D-printed chain mail alternates between flexibility and rigidity

A sort of 3D-printed chain mail can alternate between being flexible and rigid as needed, meaning it could be used for convenient medical supports, strong but flexible military armour and even temporary bridges.

Chiara Daraio at the California Institute of Technology and her colleagues used 3D printers to create several versions of chain mail using link shapes such as for example octahedrons, pyramids and rhomboids. The designs were printed at once using plastic for some samples and aluminium for others.

With …

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