English: The auxetic metamaterial is a plane structure with peculiar properties. Having a negative poissons ratio grants the ability to cover a spherical surface.
The specific properties are described in:
Mizzi, L., Salvati, E., Spaggiari, A., Tan, J.-C., Korsunsky, A.M.
55846631500;56735691200;36159769200;35779263900;7004006328;
Highly stretchable two-dimensional auxetic metamaterial sheets fabricated via direct-laser cutting. (2020) International Journal of Mechanical Sciences, 167, art. no. 105242, .
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