This project is: the plane layout drawing of a roof window opening, including the plane layout drawing, the plane layout drawing of roof window opening rack, the detail drawing of local window opening, the connection node drawing of window upper frame profile, the connection of gear and drive shaft, the node drawing of the lower edge of the window, etc. The content of the drawing is complete, the expression is clear, and the drawing is rigorous. Designers are welcome to download and use it.