Office Petals Roll Ruler Parallel Ruler, Multi-purpose Drawing Rolling Ruler Rolling Ruler, for Art Measurement Tool Multi-purpose Rolling Rule Measuring, Drafting (Scales 30Cm)

1 Pieces measuring rolling ruler, drawing roller ruler, parallel ruler, multifunctional drawing design ruler for measuring, drafting, student, school and office,10 inches Features: The measuring ruler can be applied to multi-functional drawing, including quadrants, squares circles, angles, crosshatching, and vertical and horizontal parallel lines. It is with protractor, sliding roller, parallel scale, circle, auxiliary drawing. This measuring ruler with clear scale and transparent ruler surface. How to use: 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. 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 360° 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. 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. 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. Specifications: Size: length 10 inches/ 30 cm, width 2.36 inches/ 6 cm Material: plastic Color: transparent

• Wide applications: versatile measuring ruler, with a protractor to draw the desired figure, can also draw arc curve, horizontal parallel line, vertical parallel line, enough size for drawing, in a length of 12 inches/ 30 cm, width of 2.36 inches/ 6 cm.
• More details: 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.
• Multiple uses: 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.
• 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.
• This features a roller and a ruler that you can move conveniently and accurately to make sure that drawing shapes that have redundancies will be quick and efficient..
• Light weight, smooth and easy to draw, clear scale, easy to observe..