3D printed products.

4D printing adopting 3D printing’s multi-material approach.

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According to Qi Ge, and scientist from mechanics, mechatronic systems,” a simple and versatile multi-material 3-D printing approach to fabricate highly complex, hybrid 3-D architectures. They then used a self-built digital-light processing multi-material 3-D printer to form hydrogel-polymer hybrid 3-D structures. The team displayed a series of applications including a 3-D printed meniscus, 4-D printed cardiovascular stent and a 3-D printed ionic conductor, as advantages of the approach.”

3-D printing highly stretchable hydrogel with diverse UV curable polymers.

4D printing of materials for the future: Opportunities and challenges.

Researchers develop 4D printing technology for composite materials