The new silk road design team of this instrument design analyzed the industry situation of the project, fully investigated the appearance characteristics of this kind of instrument, and discussed the relevant technology and processing difficulty with the internal structure department of the company, boldly designed the appearance of this sheet metal instrument product with multi-level product vision, subverting the rigid and bulky feeling of the traditional sheet metal instrument, through the superposition and splicing of block surfaces and the matching of color tones, create a delicate and precise sense of professional equipment. We choose the effect of sheet metal baking paint on the surface of this product, which is conducive to the cleaning of the surface and is not easy to be contaminated with dirt, and is more in line with some scenes with higher environmental requirements such as laboratories and schools.