In fact, the requirements for photos of appearance patent drawings are not as strict as those of the six-sided views. They are required to be completely consistent, but the deviation should not be too large. For example, the dimensions of the six-sided views taken should be as consistent as possible, but The outer contours may not completely overlap. In addition, when taking photos, you should pay attention to avoid reflections, or the color of the object blending with the background color. Basically there is no big problem, and the photos taken can basically be modified and adjusted slightly through PS.