Drawing Rulers

Drawing Rulers

Drawing rulers are tools used in technical drawing and drafting to accurately measure and mark distances on a drawing surface. They are typically made of rigid materials such as plastic, wood, or metal, and are available in a variety of sizes and shapes to suit different drawing needs. The most common types of drawing rulers are straight rulers and T-squares. Straight rulers, also known as scale rulers, are used to measure and draw straight lines. They typically have markings on both sides, with one side showing imperial units such as inches and the other side showing metric units such as centimeters. Some straight rulers also have additional scales for specialized applications, such as engineering or architecture. T-squares are L-shaped rulers that are used to draw horizontal lines on a drawing surface. They consist of a long horizontal arm and a shorter vertical arm that slides along the edge of the drawing board. T-squares are particularly useful for drawing parallel lines, as the vertical arm ensures that the lines are perfectly perpendicular to the edge of the drawing board. In addition to straight rulers and T-squares, there are also specialized drawing rulers for specific applications. For example, French curves are used to draw smooth, curved lines, while protractors are used to measure and draw angles. Overall, drawing rulers are essential tools for anyone involved in technical drawing or drafting. They enable precise measurements and accurate drawings, which are critical in fields such as engineering, architecture, and design.

technical drawing, drafting, straight ruler, T-square, French curve

— James Hall

CITATION : "James Hall. 'Drawing Rulers.' Design+Encyclopedia. https://design-encyclopedia.com/?E=379510 (Accessed on July 16, 2025)"