4D-printed hygromorph composite based on natural fibres

This recent featured work evaluates the potential of tailoring 4D printing to Hygromorph BioComposite (HBC), which paves the way for the construction of a new generation of sustainable shape-changing metamaterials with a sequential response. HBCs are made of continuous flax fibres that have been proven to be relevant for actuation and thus 4D printing due to their hygromorphism function.


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