translation.en: So imagine you have carbon nanotubes growing inside a 3D printer, and they are embedded inside a matrix of plastic, and follow the forces which occur in your component.
translation.zh: 想象一下有一个碳纳米管 在3D 打印机里制作， 被嵌入一个塑料模型中， 并按照组件内部力量延展。