Advice 1: What is the pattern

One who is engaged in different types of modeling, often requires you to draw the same detail. Using a template can greatly facilitate the work. Such a template is called template. This is especially important if you have to draw the complex curves consisting of several fragments of different geometric shapes.
Pattern designed for sketching curves

What are the patterns?

In the drawing case, two types of curves – constant and variable curvature. The first is a template that may be as a complex curve, or more. The pattern of the second type looks like a ruler, to which is attached a special device which you can use to change the curvature. Patterns of both types are used, for example, in the garment industry. A vivid example of the pattern of constant curvature – the most common pattern.

In addition, there are view patterns, which are applied to control circuits of various components, if these contours have a complex curvature. This pattern is called measurement. The controller determines the amount of clearance between the work piece and a measuring template. In some cases, a special probe.

So-called sloping curve used in construction for laying of roads. With it, control the transverse profiles of the ditches and outfall ditches. This pattern looks like a triangle, consisting of the slats. Straps are at a certain angle to each other. This pattern requires that the cell and the drainage system met the standards.

Why do we need pattern?

In an era when many kinds of design done on a computer using software, sometimes it seems that the patterns become outmoded. But this is not so. They are constantly used in manufacturing to cut or carve intricate details, which there are sections of spirals, hyperbole and parabolas. The mold itself can be built with the help of a computer program and then cut from plastic or metal. In modern factories the patterns are made using precise methods, e.g., laser cut.

How to make patterns

To make curves using a variety of materials. For example, in the modeling of the clothes this can be paper or cardboard, in school lessons of drawing used plastic patterns, and to control the curvature of parts of machines used most often metal or durable plastic.

To build a simple mold you can and do. Take a sheet of paper, draw on it a circle. At some distance, draw a circle of a different diameter. Connect both pieces of the two tangent. Cut what you get. In this case, the full circle was even excessive to build simple patterns enough to know the location of several most important points.

How to draw with templates?

To draw a curve on a curve, select the desired area. Define three points. Find out on the curve appropriate curve and draw it as you do, when you use the ordinary drawing with a ruler.

Advice 2: How to build a mold

There are two types of templates: basic and detail. The basic pattern is the basis for drawing the model. The elegance and fit of future products will depend on the accuracy of the underlying patterns. A method for constructing data patterns are the same for bulk and individual tailoring. A working curve is used for cutting products of a specific model and a specific size.
How to build a mold
You will need
  • Tools for taking measurements, drafting tools, graph paper
Prepare for removal of accurate measurements with the human figure, for that is the pattern. However, he should be wearing a dress made of thin fabric, horizontally slightly belted at the waist with a ribbon. Note, that you should always be measured from the back of a person when taking measurements of girths (measurements of chest girth – the tape is on the blades). Place in a horizontal position the tape on the protruding areas of the figure – the Breasts, the buttocks. Do not pull and do not keep them too loose measuring tape.
Measurements with the main parts remove the following:Circumference of the chest at the outermost points of the blades and the chest;
Waist – waist (not pull the measuring tape);
The girth of the hips horizontally at the hip line (consider the topography of the abdomen);
Front length to waist – from the intersection of the shoulder line with the line of the circumference of the neck to the waist line (note the protrusion of the breast);
Back length to the waist – line extending upward from the waist;
Shoulder length – from base of neck to the line of the armhole (measure at the middle of the shoulder);
The width of the back from one hand at the more exposed points of the blades to the other (guided by the rear corners of the armpits);
Breast width – the same measurement of the width of the back (a tape measure, position so that she was held somewhere at 5 cm below the base of the neck, went on the bulge of the breast).
According to the obtained sizes build drawing patterns on graph paper. It can be used in this form, and can then be moved to a more comfortable material film, thin plastic. Remember that once carefully and properly build patterns you can sew many beautiful clothes.
Is the advice useful?