Origami-Inspired Mechanical Metamaterials and Structures

Origami-inspired mechanical metamaterials harness folding principles to achieve novel combinations of stiffness, deployability and shape morphing. By integrating rigid panels, elastic hinges and advanced fabrication methods, these structures bridge two-dimensional sheet materials and three-dimensional architectures in a scale‐independent manner. Design strategies range from planar crease patterns such as the Miura-ori to volumetric assemblies of pleated hyperbolic paraboloids, enabling programmable properties including negative Poisson’s ratio, bistability, multistability and self-locking. The interplay of geometry, kinematics and material response has yielded theoretical models that guide the optimisation of foldability and load capacity. Applications span impact energy absorption, reconfigurable shelters, space deployables, mechanical memory devices, soft robotics and biomedical implants. Global efforts now focus on scalable manufacturing, multimaterial integration and embedded actuation to realise adaptive and multifunctional systems for engineering and medical use.

Research from Nature Portfolio

Recent studies have introduced a multimaterial 3D‐printed thick-panel origami strategy in which rigid thermoplastic panels are wrapped and joined by highly stretchable polymers. The resulting self-locking structures exhibit exceptional foldability, sustain cyclic compressive strains exceeding 40 %, and support loads more than 10 000 times their own weight, with fully programmable mechanical responses across multiple layers. Complementing this, a theoretical and experimental investigation of concentrically pleated hyperbolic paraboloid origami has revealed bistability between symmetric saddle states and enabled the tessellation of these units into multistable metasurfaces with programmable non-Euclidean geometries. Earlier foundational work demonstrated a three-dimensional actuated metamaterial built from extruded cubes linked by rigid faces and hinges, yielding three degrees of freedom in shape, volume and stiffness. Embedded actuation within this modular origami design showcases the potential for actively controlled reconfigurable devices across length scales.

Origami-Inspired Mechanical Metamaterials and Structures publication trend

The graph below shows the total number of articles in origami-inspired mechanical metamaterials and structures across all publications each year (not limited to Nature Index journals).

Technical terms

Mechanical metamaterials: Engineered composites whose internal architecture produces mechanical properties not found in conventional materials.

Bistability: The characteristic of a structure to rest in two distinct stable configurations without continuous input of energy.

Multistability: The capacity of a system to exhibit more than two stable states accessible through discrete deformation pathways.

Auxeticity: A negative Poisson’s ratio phenomenon in which a material expands laterally when stretched longitudinally.

Foldability: The ease and range over which an origami pattern can be continuously folded without material interference or damage.

Self-locking: A mechanism by which folded elements automatically engage to maintain a configuration under load without external fasteners.

References

1. Multimaterial 3D printed self-locking thick-panel origami metamaterials. Nature Communications (2023).
2. Invariant and smooth limit of discrete geometry folded from bistable origami leading to multistable metasurfaces. Nature Communications (2019).
3. A three-dimensional actuated origami-inspired transformable metamaterial with multiple degrees of freedom. Nature Communications (2016).
4. Multi‐Stability of the Extensible Origami Structures. Advanced Science (2023).
5. Stretchable origami robotic arm with omnidirectional bending and twisting. Proceedings of the National Academy of Sciences of the United States of America (2021).
6. Autonomous Deployment of a Solar Panel Using Elastic Origami and Distributed Shape-Memory-Polymer Actuators. Physical Review Applied (2019).