Archive for the ‘fashion’ Category

Fashion Designers have Shows to Display Their New Designs

Tuesday, March 9th, 2010

The prototypes are completed.They look terrific. Now it’s time for the fashion show! Maybe you have seen parts of a fashion show on television. At these shows, models walk down a runway. A runway is a long,narrow platform that extends out into the audience. The models wear new clothing designs. The people in the audience sit in chairs and watch. They look at the interesting new clothes.

Fashion designers have shows to display their new designs. People who own clothing stores often go to the shows. They decide which of the designs to buy.They will sell clothing made according to these designs in their stores.

Runway Math
Planning fashion shows requires math skills. Sometimes a fashion show can be only a certain number of hours or minutes long.Designers must determine how many of their designs they can display at the show in that time. Sometimes designers know they want to display a certain number of designs. How long should the show be to allow all the designs to be seen? Designers can use division or multiplication to figure out things  like these.

Suppose a fashion show will be 30 minutes long. Each model will walk on the runway for 2 minutes. She will walk to the front of the runway, stop so that people can look closely at what she is wearing, and walk back again. Then, another model will come out.

Designer is Making a Long Sleeved Shirt for a Man

Thursday, March 4th, 2010

A designer is ready to make her prototype. So she takes out her measuring tape. A measuring tape is used to measure length. It is a type of ruler. Most rulers are stiff, but a measuring tape is flexible. It can be useful for measuring things that are not flat.Designers measure a lot. They measure fabric. They measure people. In fact, of all the math skills that designers use, they probably use measurement the most.

How They Measure
Suppose a designer is making a prototype of a skirt. The skirt will be 33 inches long from top to bottom. The designer decides she needs a piece of fabric 36 inches long. This gives her 1 extra inch of fabric to make the hem at the bottom and 2 extra inches to make the waistband.The waistband is a piece of fabric that goes around the waist.

The designer places the end of her tape measure at the edge of her fabric. She runs the tape down the fabric. Then she finds the number 36 on the tape. She draws a line on the fabric at 36 inches. This marks where the fabric will be cut.Designers also measure people. Suppose a designer is making a long-sleeved shirt for a man. She needs to know how long the sleeves should be. So she holds the end of the measuring tape on the top of the man’s shoulder. She runs the tape down his arm. Then she stops at his wrist. She reads the number on the tape. It is 22. The man’s arm, from shoulder to wrist, is 22 inches long. So the sleeve must be 22 inches long, too.

A Prototype is a Sample of a Design

Friday, February 26th, 2010

You know that designers think of an idea, make a sketch, and choose their fabric. Next, they make a prototype. A prototype is a sample of a design.It looks like the sketch, but it is made of fabric. This helps the designer see what the piece of clothing might really look like when it is completed. The designer may use the prototype to work on his design some more.

By the Yard

Designers use math to make prototypes.The first thing they do is to determine how much fabric they’ll need to buy. Fabric is often sold by the yard. This means that, often, you must buy a piece of fabric that is some whole number of yards long.

If you buy 1 yard of fabric, for example, you are buying a piece that is 1 yard long. Since there are 3 feet in 1 yard, you can also say that 1 yard of fabric is 3 feet long. Most pieces of fabric are 4 feet wide. So a piece of fabric 3 feet (1 yard) long has 12 square feet of fabric in it. You can figure this out by multiplying the length by the width,to find a square measurement, like this:

3 feet x 4 feet = 12 square feet

Suppose a designer is making a prototype of a coat. He estimates that he’ll need about 30 square feet of fabric in order to make the prototype. How many yards of fabric should he buy? The designer knows that 1 yard of fabric has 12 square feet. Two yards will have 24 square feet. That will not be enough. Three yards will have 36 square feet (12 + 12 + 12 = 36, or 12 x 3 = 36). So the designer buys 3 yards. He will have 6 square feet left over.

A fashion Designer Has Her Idea for a Design

Saturday, February 20th, 2010

A fashion designer has her idea for a design. She has made her sketch. Now, she must choose her fabric the cloth from which the clothing will be made. There are different kinds of materials that can be used to make fabric. For example, fabric can be made from cotton, silk, or wool. Fabric made from each material will have its own look and feel. The designer must choose which one to use. The designer also chooses what color the fabric will be and whether it will have a pattern. Many designers use fabrics that have a type of pattern called a tessellation. Tessellations are fun to look at. They make clothes look interesting.

A tessellation is a pattern made from figures that are all congruent. The figures in a tessellation repeat. All of the figures fit together like a puzzle. There are no gaps between the figures. The figures do not overlap. Many mosaics are examples of tessellations because they are made up of tiles that are all the same size and all the same shape.

Designers also use flips to make tessellations. In these patterns, the figure is flipped over again and again. The picture above is an example of a flip tessellation.