Scientists create 3D-printed objects that can change shape after they’re printed

Scientists create 3D-printed objects that can change shape after they’re printed

by John Biggs, TechCrunch

3D printed plastics tend to remain pretty stable over time. For example, your 3D-printed Yoda won’t turn into a Chewbacca head without some severe plastic trauma… until now. Scientists at MIT have created a 3D printing technique that allows you to change the polymers in an object after printing. This means you can grow or shrink and object, change its color, and even change its shape completely.

“The idea is that you could print a material and subsequently take that material and, using light, morph the material into something else, or grow the material further,” said Jeremiah Johnson, Associate Professor of Chemistry at MIT. Postdoc Mao Chen and graduate student Yuwei Gu led the research and wrote a paper on the findings.

The technique is called living polymerization and it creates “materials whose growth can be halted and then restarted later on,” according to the release.

Read the full article here…

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