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This ruler offers a wide range of applications including drawing circles, oval, curved, horizontal parallel lines, and vertical parallel lines.You can

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Multifunctional Function Geometric Ruler — Stationery Pal

For all of your measuring needs, this Multifunctional Function Geometric Ruler is an accurate and dependable instrument. It is made of soft materials, with rounded edges and unbreakable features that do not hurt your fingers accidentally. Also, you can easily fold and unfold the ruler. Perfect for use by professionals or students.Drawn include: Stereogram Answer sheet Function diagram Wavy lines and straight lines Please noted that prevent this ruler from high temperatures.

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