the bronze decoration of the Warring States period copper kettle

 Triangle metrical body composition, three angle bisector of angle and center. Round metrical body composition, the two mutually perpendicular diameters and center. Metrical body composition of the square (rectangle), the two diagonals and straight lines connecting two pairs of edge midpoint and center.
The area is divided according to the center of the composition to start showing a symmetric pattern. Area by size according to the purpose of decoration. Decorated or full, or point ornaments, or a prominent center, or to emphasize the four corners, or a rich four sides to show different style delight. At the same time pay attention to the edges, corners, the center of local inter-echo the overall local harmonization unity. Bone type to strike a basic pattern of the divided area. Bone-like strike, including two meanings, one bronze pattern configuration of the bone type. Most of the bronze sculpture are beautifully made and abundantly produced.  Bronze patterns of primary and secondary edge, corner, center size, density. Two bronze patterns of bone type, symmetrical or balanced organization, or the form of static or dynamic.
Bone-like strike to focus on the composition of the global outstanding composition in the form of beauty, unity and change. Bronze pattern configuration must be based on bone type, that is, to determine the location of the bone type, form, size and configuration bronze patterns, it is necessary to highlight the bone is determined by formal features, but also highlight the edge, corner, center, etc. Bronze patterns for the shape of suitable characteristics. The bronze sculpture  of the Shang and Zhou acted as the sacrificial wares for the rulers.  Head-up body composition not metrical restrictions, is a freestyle composition. It is not the frame size limitations are not subject to the limitations of screen performance space. Suitable for complex performance scenarios, figures, landscapes, birds and flowers arranged in a screen, without limitations, also known as free verse.
In the traditional pattern, the bronze decoration of the Warring States period copper kettle, Sitting like a stone, as well as civil cross-stitch, folk paper-cut composition, most of the head body composition. Modern decorative paintings, murals, wall, advertising, decorative fabrics, wallpaper, and are often the level depending on body composition, full of vivid beauty of form features and strong decorative taste. "Head" is the basic characteristics of the head body composition. Among the rich and colorful patterns on the bronze sculpture of China, especially taotie motif became the mainstream of that period.  The so-called "head" is to draw the line of sight and screen ninety degrees perpendicular, "shall be flat to see, do not draw the top side". First, as the object plane, the performance of the picture plane.