North Carolina State University researchers have developed a process that creates free-standing flexible structures.

North Carolina State University researchers have developed multiple 3D printing techniques that create free-standing structures with drops of liquid metal. One technique involves stacking droplets of liquid metal on top of each other, which adhere to one another, but retain their own shape.

Another technique injects liquid metal into a polymer template so it takes on a specific shape. The template is then dissolved, leaving the bare liquid metal in the desired shape. The researchers also developed techniques for creating stretchable liquid metal wires.

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