The stimuli‐responsive hydrogel is a competitive material for four dimensional printing due to its good deformability, promising biocompatibility, simple manufacturing, and low cost. In article number 2000034, Shlomo Magdassi, Yi Long and co‐workers summarize the progress in hydrogel‐based 4D printed objects and devices based on their fabrication techniques, materials, and applications.

中文翻译：

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4D打印的水凝胶：4D打印的水凝胶：制备，材料和应用（Adv。Mater。Technol。6/2020）

刺激响应水凝胶具有良好的可变形性，有希望的生物相容性，简单的制造和低成本的特性，因此是用于四维印刷的竞争材料。Shlomo Magdassi，Yi Long及其同事在编号2000034中总结了基于水凝胶的4D打印物体和设备的制造技术，材料和应用，这些进步是基于水凝胶的4D打印物体和设备。