What is "Three-four-five triangle" - Definition & Explanation

A method of layout to determine a right angle (square corner) in frames, fabric, construction, etc. It derives from the fact that a triangle with sides of 3-4-5 will have a right angle. The legs will be 3 and 4 and the hypotenuse will be 5. You can also use any multiple or units of measure, such as 3' 4' 5' or 60cm - 80 cm - 100 cm. An alternate way to layout or check for a rectangle is first to ensure opposite sides are the same length and then diagonal measures are the same. When the

Some other terms

Some more terms:

Fabrics made from only one set of yarns, all running in the same direction. Some knits have their yarns running along the length of the fabric, while others have their yarns running across the width...
An unintentional fold in a fabric that may be introduced at some stage in processing and that is not readily removed by those means normally available to a garment maker, e.g. steam pressing. (See...
One of the plain weave variations, which is formed by using: 1) heavy yarns in the warp or filling direction, or 2) a substantially higher number of yarns per inch in one direction than in the other,...
A lightweight or heavy open-construction fabric made byknotting ortwistingyarns together, thereby forminggeometric patterns such assquares orhexagons.Ranges in weight from very sheer to very heavy...
Skirt, usually with a great deal of flare. The simple ghaghras have only one vertical seam, which turns the cloth or ghaghra-pata into a tube, fastened with a drawstring passing through a long,...

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