1. The material is a metal presidency.2. This design will be a block pipe connector for assembling into a plurality of pipes in block form, used to easily install the hall structure, such as exhibition booths, advertising tower, light towers in the field.3. Brief Description of the Drawings[Diagram 1. 1] is a perspective view representing the whole being designed in the form of.[Diagram 1. 2] is the image of the front part of the design shall.[Diagram 1. 3 is the image of the back surface portion of the design shall.[Diagram 1. 4] is the image of the left side portion of the design shall.[Diagram 1. 5] is a right side view of part of the image will design.[Diagram 1. 6 is the image of the flat portion of the design shall.[Diagram 1. 7], the image of the bottom portion of the design shall.[See diagram 1. 1] is the image of a state of use of the design shall.[See diagram 1. 2 is a representation of a state of use of the design shall.Do a combination of the shape and appearance of the "event structure pipe connector block for" a point of information, creative design.