This document is a CAD construction drawing of a cantilever space membrane structure. The drawings include: the layout of the embedded plate at the top of the column, the position of the embedded plate at the top of the column, the overall view of the space rigid frame, the rear view of the space membrane structure, the overall view of the space membrane structure, the plan of the main rigid frame, the single span space rigid frame, the wing membrane support diagram, the node details, etc. The design is accurate, the content is detailed, and can be downloaded for reference by designers