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Multifunctional universal ruler rotatable ruler set mathematical drawing circle and ellipse template test parallel triangular ruler
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Description
Features:
1. The drawing is fast and accurate, and the angle and length of the auxiliary line are intuitively read.
2. Draw arcs, arcs, sectors, circles and semicircles with diameters to determine the central angle in one stroke
3. Quickly draw a variety of complex graphics: centrally symmetrical graphics, axisymmetrical graphics and parallel lines at any angle.
4. Quickly draw patterns and graphics to expand thinking space.
5. Safe and convenient to use
name: Rotary ruler
Specifications: 12*12
texture of material: Plastic
Suitable for gift giving occasions: birthday,Tourism commemoration,graduation,Party party
colour: black,blue
Applicable gift giving relationship: younger,colleague,friend,children,classmate
Additional information
| Color: | Black, Blue |
|---|
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