1. Determine the theme: The emblem of the Science and Technology Festival should reflect the theme and atmosphere of science and technology. You can choose some representative elements, such as circuit boards, robots, DNA, etc. , or choose some symbols related to science and technology, such as binary code, scientific instruments, etc. Determine the style: you can choose a style according to your own needs, such as simple style, abstract style, cartoon style and so on.

2. Sketch: Before painting, you can outline the general shape and composition. This stage is mainly to determine the basic framework and elements of the badge. Draw a line sketch: on the basis of sketch, draw the details and characteristics of the badge with lines. At this stage, we need to pay attention to the fluency and accuracy of lines.

3. Coloring: Based on the online manuscript, fill all parts of the badge with colors. You can choose some colors related to the theme, such as blue and green, to highlight the sense of science and technology. Add effects: You can add some effects after coloring, such as shadows, highlights, textures, etc. To enhance the three-dimensional sense and texture of the badge.

Knowledge about badges

1, badge is a sign worn on clothes, hats and other items, which is usually used to indicate identity, status, honor or belonging organization. The history of badges can be traced back to ancient civilizations such as ancient Egypt, ancient Greece and Rome. Badge has become an important social tool and cultural symbol.

2. In China, the use of badges began in the Han Dynasty, when they were mainly used for official identification and military identification. With the development of history, badges have gradually evolved into cultural symbols and decorations. The design and manufacturing technology of modern badges is very advanced, and all kinds of materials and techniques can be used to make exquisite badges.

3. There are many kinds of badges, including signs of government agencies, military, police, firefighters, schools, enterprises and other organizations. In addition, there are some special badges, such as Olympic medals and World Cup trophies. These badges represent world-class honors and achievements.