Amazing stuff! "Assembling modular parts into materials with unique characteristics"
"... The researchers created four different types of these subunits, called voxels (a 3D variation on the pixels of a 2D image). Each voxel type exhibits special properties not found in typical natural materials, and in combination they can be used to make devices that respond to environmental stimuli in predictable ways. Examples might include airplane wings or turbine blades that respond to changes in air pressure or wind speed by changing their overall shape. ..."
Probably, voxel is the wrong term here in my estimation!
"... Mechanical metamaterials offer exotic properties based on local control of cell geometry and their global configuration into structures and mechanisms. ... we present a construction system for mechanical metamaterials based on discrete assembly of a finite set of parts, which can be spatially composed for a range of properties such as rigidity, compliance, chirality, and auxetic behavior. ... This approach benefits from incremental assembly, which eliminates scale limitations, best-practice manufacturing for reliable, low-cost part production, and interchangeability through a consistent assembly process across part types."
Here is the respective research paper:
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