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4D Printing

4D Printing

Submitted by • February 22, 2019

1. What is the 4th Dimension in 4D Printing?
The fourth dimension in 4D printing is comprised of smart materials that can have the capability of adapting and re-programming their functionality, properties, or shape when required to do so based on external stimuli. These external stimuli include pressure, heat, ultraviolet light current, or any other source of energy. The researchers are attempting to combine various types of fibers and plastics so that they can create smart materials that can self-assemble or change their shape after 3D printing (Ghi & Rossetti, 2016). In this case, the fourth dimension is the time taken to achieve the self-transformation.
2. What Capabilities did the 3D Printer add to the Concept of Self-Assembly?
The capability that 3D has added to self-assembly is the issue of layering. The 3D printing allows for the layers of an object to be created and these layers form the foundation of the self-assembly capability in the 4D printing (Ozin et al., 2009).

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