Auniwaig Plastic Rolling Parallel Ruler Multi-Purpose Measuring Rolling Ruler Drawing Measuring Tool for Drawing Parallel Lines, Circles, Angles,1pcs

Auniwaig Plastic Rolling Parallel RulerSpecification:Size: Length 30 cm/12-inchesMeasuring Range: 300mmMaterial: PlasticColor: TransparentDescription:1.The measuring ruler can be applied to multi-functional drawing, including quadrants, squares circles, angles, crosshatching, and vertical and horizontal parallel lines.2.It is with protractor, sliding roller, parallel scale, circle, auxiliary drawing.3.This measuring ruler with clear scale and transparent ruler surface.How To Use1.The use of protractor:Align the center of the protractor on the edge of the ruler with the vertex of the surveying foot, and at the same time, coincide the scale of the protractor with the datum line, then various angles can be measured on the edge of the ruler.2.Draw the arc and curve:Insert the pen into the small hole at the ruler end to make the center of the circle, insert another pen into another hole and rotate the ruler body 3601. to draw a circle.If the radius between the 2 holes is different or the rotation ruler body is different, different circles or arcs can be obtained.3.Draw a horizontal parallel line:Press your hand on the ruler body, draw a horizontal line along the edge of the ruler, and then move the ruler up and down to draw a parallel line.4.Draw a vertical parallel line:Insert the pen into the small hole on the edge of the ruler, slide the ruler up and down to draw a vertical parallel line. The distance between the vertical lines can be measured directly.Package Content:1pcs x Plastic Rolling Parallel Ruler

• 【PRODUCT DIMENSION】The Rolling Parallel Ruler length is 30 cm/12-inches；Its measuring range is 300mm
• 【QUALITY MATERIAL】Our measuring ruler tool is made of transparent plastic; It is light-weighted, easy to carry; Transparent material allows you to draw without ignoring some important figures or words
• 【FEATURE】Each centimeter has a circle hole for drawing circles and ellipses; This drawing ruler is built in roller, clear scale, easy sliding, stable drawing, not easy to skew, clear scale, easy to observe; There are various formulas on the roller, which can be calculated quickly in use
• 【EFFICIENT TO USE】Draw horizontal and vertical parallel lines with ease. Suitable for drawing circles, angles,curves, arcs and other geometrical shapes
• 【MULTIPURPOSE】Whether you are an artist, student, pattern maker or designer, this measuring rolling ruler is a good helper for your work or study; It can help students develop their own manual skills as well as their imagination to draw different design pictures