AUTHOR=Shi Yusheng , Yang Shoufeng , Zhou Kun , Yan Chunze 

TITLE=Editorial: “Four-Dimensional (4D) Printing”

JOURNAL=Frontiers in Materials

VOLUME=8

YEAR=2021

URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.757479

DOI=10.3389/fmats.2021.757479

ISSN=2296-8016