Nature CommunicationsUp-and-down transformable embedded ink writing strategy for soft 3D architecturesYaxin ZhangTianqi PangZixun SunXinying LiJianping WangXiang LinFengxian GaoMin GongDongrui WangLiang Zhang2025-12-12Full textDOI https://doi.org/10.1038/s41467-025-66418-z