| 摘要 |
The present invention relates to a ruler for drawing a line. The lines for drawing are in multiple types, thereby requiring various rulers to be drawn. A line is drawn on the vertical part around a hole of the ruler for drawing a line, and the ruler has protrusion parts start from a lower line as wall as from an upper line, thereby having different distances between the protrusions of the upper and lower lines. Therefore, the present invention enables users to draw various lines using a single ruler. |
