![Actuators | Free Full-Text | An Origami Flexiball-Inspired Metamaterial Actuator and Its In-Pipe Robot Prototype Actuators | Free Full-Text | An Origami Flexiball-Inspired Metamaterial Actuator and Its In-Pipe Robot Prototype](https://pub.mdpi-res.com/actuators/actuators-10-00067/article_deploy/html/images/actuators-10-00067-g001.png?1627969439)
Actuators | Free Full-Text | An Origami Flexiball-Inspired Metamaterial Actuator and Its In-Pipe Robot Prototype
![Resulting origami structures with units of case E for approximation.... | Download Scientific Diagram Resulting origami structures with units of case E for approximation.... | Download Scientific Diagram](https://www.researchgate.net/publication/362251536/figure/fig1/AS:11431281109095799@1671717648573/Resulting-origami-structures-with-units-of-case-E-for-approximation-a-Shelter-b.png)
Resulting origami structures with units of case E for approximation.... | Download Scientific Diagram
![Set of capital letter and lowercase letter "E" in various color. Origami alphabet letter on white background Stock Photo - Alamy Set of capital letter and lowercase letter "E" in various color. Origami alphabet letter on white background Stock Photo - Alamy](https://c8.alamy.com/comp/CPKXMM/set-of-capital-letter-and-lowercase-letter-e-in-various-color-origami-CPKXMM.jpg)
Set of capital letter and lowercase letter "E" in various color. Origami alphabet letter on white background Stock Photo - Alamy
![Origami Blue Paper Font. Letter E Isolated On White Background, With Soft Shadows. 3d Rendering Stock Photo, Picture And Royalty Free Image. Image 66709736. Origami Blue Paper Font. Letter E Isolated On White Background, With Soft Shadows. 3d Rendering Stock Photo, Picture And Royalty Free Image. Image 66709736.](https://previews.123rf.com/images/goritza/goritza1612/goritza161200288/66709736-origami-blue-paper-font-letter-e-isolated-on-white-background-with-soft-shadows-3d-rendering.jpg)