Combined with elements such as grasping texture and touch texture on the handle of mechanical tool knife, the grip feeling of sports cup in the process of use is strengthened. The black and red contrast design gives people professional, sports and technological texture. This is the work of my student days. At the beginning of the design, I planned to design a series of products, but I had to consider various factors such as cost and sales in the later stage, so I only landed one of them..