A miter square or mitre square is a hand tool used in

woodworking Woodworking is the skill of making items from wood, and includes cabinet making (cabinetry and furniture), wood carving, woodworking joints, joinery, carpentry, and woodturning. History Along with Rock (geology), stone, clay and animal parts, ...

and

metalworking Metalworking is the process of shaping and reshaping metals to create useful objects, parts, assemblies, and large scale structures. As a term it covers a wide and diverse range of processes, skills, and tools for producing objects on every scale ...

for marking and checking angles other than 90°. Most miter squares are for marking and checking 45° angles and its supplementary angle, 135°. ''A miter'' is a bevelled edge – usually 45° – used, for example, for making miter joints for woodworking. ''

Squares In Euclidean geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90- degree angles, π/2 radian angles, or right angles). It can also be defined as a rectangle with two equal-length a ...

'' are tools designed for marking and checking specific fixed angles, usually 90° or 45°, though most squares are exclusively for working with 90° angles.

Description

As with 90° squares, there are many different types of miter square. Miter squares are usually made from two fixed parts, a ''stock'' and a ''blade'' (sometimes called a ''tongue''). The blade on a modern factory-made miter square is typically a thin piece of metal which is fixed at 45° onto or into the stock, forming a T''' shape. The stock is usually much thicker than the blade and is made from wood, metal or plastic. Until the development of factory-made squares in the 18th century miter squares were made entirely from wood, though some woodworkers still make themselves wooden miter squares. Other forms of miter square include the dovetail square, with the blade set at an angle suited to marking out dovetail joints, and the Japanese miter square, a flat piece of metal with a thin metal stock along one edge – similar in construction to a

speed square A Swanson Speed Square. A speed square, also called a rafter square, rafter angle square, and triangle square, is a multi-purpose triangular carpenters' tool use for marking out. Its functions include many of those of a combination square, try squ ...

. Some other types of square incorporate miter squares, such as combination squares, speed squares, and try squares with a mitered stock.

Examples

File:Slightly rusty mitre square.jpg, Square with a wooden stock, a steel blade, and brass rivets. File:Verstekhaak.jpg, A metal miter square File:Cc&j-fig5--try and mitre square.png, A

try square A try square or try-square is a woodworking tool used for marking and checking 90° angles on pieces of wood. Though woodworkers use many different Square (tool), types of square, the try square is considered one of the essential tools for woodwor ...

with a miterd stock File:Combination square.jpg, Combination squares incorporate a miter square File:Vinkelhake, 45 grader gjord av lönn - Skoklosters slott - 99791.tif, A square similar in design to historic wooden try squares. File:Mitre-rule-for-marking-and-measuring-fixed-angles-01.jpg, Square made from beech File:Vinkelhake - Skoklosters slott - 99796.tif, A mitered

T-square A T-square is a technical drawing instrument used by draftsmen primarily as a guide for drawing horizontal lines on a drafting table. The instrument is named after its resemblance to the letter T, with a long shaft called the "blade" and a sho ...

File:Vinkelhake - Skoklosters slott - 99795.tif, A ''miter bevel''.

References

{{Woodworking Woodworking measuring instruments Squares (tool)