# 4D Printing of Hygroscopic Liquid Crystal Elastomer Actuators

> Research article (Small, 2021) · cited 166× · AI/ML

**Wikidata**: [openalex:W3158557756](https://www.wikidata.org/wiki/openalex:W3158557756)  
**Source**: https://4ort.xyz/entity/4d-printing-of-hygroscopic-liquid-crystal-elastomer-actuators