1.Straight line can be drawn without auxiliary tools。
2.It can draw multiple straight lines, vertical lines or polygons at the same time.
3.Quickly draw straight lines.
4.Can be used on any flat surface.
5.Can be used day or night.
6.Will not pollute the environment or air quality.
2.It can draw multiple straight lines, vertical lines or polygons at the same time.
3.Quickly draw straight lines.
4.Can be used on any flat surface.
5.Can be used day or night.
6.Will not pollute the environment or air quality.
A straight line
Straight lines.
Vertical lines
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Polygons lines
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