Tufting/punch needle embroidery is fascinating and oh so soothing to watch. Add conductive threads to the process and you’ve got magic! From Medium:
Punch needle embroidery, one of the tufting methods, may go back as far as ancient Egypt while some believe it developed in medieval Europe. This experiment shows how needle punch tufting with conductive and nonconductive threads can be used to construct sensors. With this technique, designers could integrate e-textile sensors into furniture design, fashion design, carpet design and other interior design applications with capacitive touch, pressure and gesture sensing input.
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