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4-dimensional printing (4D printing; also known as 4D bioprinting, active origami, or shape-morphing systems) uses the same techniques of 3D printing through computer-programmed deposition of material in successive layers to create a three-dimensional object. round of 16 world cup However, in 4D printing, the resulting 3D shape is able to morph into different forms . keyboard techno 9900i

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