To provide a bird's-eye thread attachment for a greenhouse, in which when a work for fixing a vinyl sheet to a frame material is performed, a column is attached to the frame material simultaneously with the work. The support member includes a seat attachment member having an opening and a support member that includes a support column 50 that stands up and extends from an attachment part attached to the seat attachment member. The sheet attachment member is formed in an elongated cylindrical shape. The seat attachment member can be fitted to the rod-shaped frame material of the greenhouse through the opening 11. In the fitted state, the vinyl sheet is sandwiched between the sheet mounting member and the frame material. [Selection] Figure 1
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