Georgia Tech’s New 4D-Printing Process Creates Objects that Change Shape After Leaving Print Bed

Published by , April 25, 2017 12:10 pm

(TechCrunch)  Georgia Tech has released videos showing its new 4D printing processes that creates an object designed to change shape after it leaves the print bed. Most 4D-printed models from research institutes like Harvard and MIT have relied on hydrogels to execute the process. The soft materials execute the functionality slowly and don’t retain their shape after the process is completed.
The new videos show a real-time transformation that takes around five seconds to complete, once the polymer object has come into contact with a heat source, like a blow drier or hot water. “Normally the time is pretty long,” Georgia Tech professor H. Jerry Qi told TechCrunch. “You have to wait hours for it to change shape. . The videos are real-time. The shape change happens almost instantly.”

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