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Fabrics that stretch and are waterproof such as materials used for swimwear such as Lycra or similar usually curl on the edges when being cut into its patterns, so often there is a larger-than-normal seam allowance so that when over-locking or putting the pattern pieces together, they are the right size once the curling edges have been hidden.

Some say that the Lycra fabric isn't as comfortable for a while so there is a well-known competitor of it - polyester. It is cheaper to produce and can keep its colour, being resistant to chlorine.

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this also contains the objective of 3.1

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These are the different types of lay plans, serving different purposes. The examples and reasoning are in the picture below.

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Demonstrate and explain how to mark in ensuring the correct positioning and placing of pattern for economic use of material. (3.4)

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Demonstrate and explain how to mark in ensuring the correct positioning and placing of pattern for economic use of material. (3.4)

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Placing the pattern pieces on the fold (if necessary) and close together means there will be more space for usable material.

Image below: knit fabric

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This is done digitally, and is a safe and efficient way to make and create designs for the masses. When sending rough copies to designers for, the prints and information are sent through as files, some are so detailed that you can physically see the texture through the computer. It also comes in handy for the sending the "materials" overseas as samples. This does not waste any material and is therefore economic. However, a disadvantage would be that it costs quite a bit to buy the equipment needed for this process as well as training the staff. It takes quite a bit to make that money back as well but the overall outcome would be worth it.

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Manually lay-up fabric within tolerance in accordance with organisational rules, codes, guidelines and standards. (3.5)

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Manually lay-up fabric within tolerance in accordance with organisational rules, codes, guidelines and standards. (3.5)

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The manufacture 'Fashion Enter' fabric guideline tolerance when manually lay-plan fabric is to use at least 85% of fabric.

However, there are some fabrics such as velvet, one-way prints, stripes and checks, etc, that consume more fabric in order to make the end result more pleasing to look at.

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-Flexible
-Ideal for things such as socks or hats, i.e. clothing with a slight stretch
-Knitted fabrics often have some elasticity, e.g. jersey material.
Weft- Made by looping together long lengths of yarn, running in rows of yarn across the fabric.

Warp-Loops interlock vertically along the length of the fabric
-Slightly stretch and made by machine.

The link below was used for this column

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This Revision Bite looks at how fabrics are made and how this affects its appearance, properties and end use.

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Having to place the pattern pieces so that the checks and patterns on the fabric itself face the same direction.
Another difficult look to achieve would be to have all the the lines meet up, however, when trying to check, the lines did not match, therefore the squares were not equal.

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A hard quality of velvet to work with as the nap pile goes in one direction so you cannot lay the pattern pieces in any direction, otherwise when putting the pieces together, the velvet would look all over the place, the shines would show in different angles.

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-Fray easily
-when a being burnt as a test, the fabric will turn to ash, and fall away when touched, because of its wool element.
-woven fabrics usually have a nap, the texture will show which way the fabric must be pressed.
Examples of woven:
-Worsted
-Calico
-Muslin

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Identify acceptable material faults and mark for future identification (3.6)

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Identify acceptable material faults and mark for future identification (3.6)

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Chalk marks, small stains may be acceptable, especially ones that can be washed and removed. So are small tears in the fabric but not big slashes that obviously cannot be fixed or patched with extra fabric.
The manufacturer usually indicates these small defects with stickers, to make the tailor aware of it.
In the industry, to avoid the defects in clothing, the usually cut extra fabric or lay the garment over the defect to cover it.