4D printing is obviously one more "D" than 3D printing. What does that mean
4D printing is obviously one more "D" than 3D printing. What does that mean, and why does it provide technology such a significant boost? In 3D printing, a 2D structure is repeated layer by layer along a print path from the bottom to the top until a 3D volume is produced. The term "4D Printing" refers to 3D printing that has changed throughout time. As a result, time is added as a fourth dimension. Therefore, the primary advantage of 4D Printing over 3D printing is its capacity to change shape over time.
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https://bloggers-vision.blogspot.com/2022/11/4d-printing-technology-makes-use-of.html
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