A triangular scale is a ruler that has a 3-lobed cross-section with 6 different types of scales on the edges (2 on each face) used for measuring and preparing scale drawings such as blueprints and maps. It is also called an architect's scale. Some ty

A ruler is a stationery item and drafting tool used when drawing lines, as a guide for cutting, and for various other uses. It is available in different shapes and materials, depending on the type of lines the user wishes to draw. Some rulers have me

The Vernier caliper is a measuring implement used when it is difficult to take ordinary measurements, to measure such things as the outer diameter of screws and bolts, the inner diameter of pipes, etc. and the thickness of plastic boards, among other

Measuring sticks and art grids are used for understanding form and checking layout when drawing a subject in front of you such as a person, static object or scene. The measuring stick mainly provides height, size and other ratios for the objects i

The straight edge ruler, also known as a bench rule, is an implement used to draw and cut extremely accurate straight lines. This is done by running a pencil or other writing instrument, or a cutter or blade, along the edge. Generally, measures are m

The French curve is a template used to draw different types of curve. It is called a cloud template in Japanese because of its resemblance to a cloud. The French curve enables the artist to draw curves that would be difficult to achieve with a compas

A triangle is a drafting tool used to draw accurate parallel lines, vertical lines, and other angled lines. Generally, two right-angled triangular pieces of differing angles form one set. On one piece, the angles are 90°, 60°, and 30°; on the other,

Also called makijaku in Japanese, a tape measure is used to measure lengths of straight and curved lines several meters long. Tape measures, which are made of steel, plastic, or cloth, have lines on the tape to mark off measurements. Often, they are

The compass is a drawing instrument used for drawing circles and arcs. One of the two legs of the compass ends in a needle, which the user places gently on paper to keep the compass in place. The other leg has a writing instrument on its end. Using t

A T-square (T-shaped ruler) is a tool used in hand-drawing such things as architectural drawings. As the name suggests, a T-square is shaped like the letter T. The shorter piece at the top (the head) and the longer piece that makes up the body (the b