US Patent 10549505 Active lattices

An active lattice capable of self-transforming responsive to a stimulus, such as heat or moisture, includes a plurality of links interconnected to each other at a plurality of nodes. At least a subset of links includes at least two materials that have different coefficients of expansion in response to an external stimulus. The two materials can be arranged in an alternating, periodic or aperiodic pattern. Embodiments can be used in apparel and sportswear, manufacturing, aviation and automotive applications, and furniture and interior products.