translation.en: And typically, you would take data, like the data of a pen here, which would be a geometric representation of that product in 3D, and we would pass that data with material into a machine.
translation.zh: 一般来说，你需要数据 像这支笔的数据 这些数据是产品的3维几何表示 然后我们把数据和原料 放进一个机器里