DT EoY Revision

How should scissors be handled?

• Hold the scissors with the blades together in the palm of your hand when carrying them around the room.  

• Ensure your fabric is placed on the table when cutting

How should an un picker be handled?

• Direct the hook/point away from you when ripping the stitches.  

• Replace the lid when finished using the un picker

How should pins and needles be handled?

• Not have too long a piece of thread when sewing to avoid over stretching your arm / harming others in the vicinity.  

• Never place needles/pins in the mouth

• When sewing ensure your work is placed on the table and not in your lap.  

• All pins/needles are to be placed back in the pin pots after use and not left lying on the tables / chairs / floor

How should sewing machines be used?

• No trailing leads / place leads behind machines.  

• Hair tied back and no loose clothing.  

• Turn the machine off when threading up the machine and when not in use.  

• Concentrate at all times.

• No bags or hazards to be left in the sewing machine area.  

• Only one person per machine and only two machines per bench/ 50cm between machines.

• Both persons on the bench must be sitting on the same side/ never work back to back with another student.  

• Sit down to use the machine and ensure you keep fingers away from the needle

How should irons be used?

• Irons to be used in the designated areas only with a board.

• Check the cable for exposed wires.  

• Stand the iron upright after using / when not in use and switch off.  

• The iron must be set to the correct temperature for the fabric type being ironed.

• Take care if using steam.  

• No trailing leads / Iron not to be left in a dangerous position at the end of the board.  

• Do not touch the iron plate when in use / after use.  

• Do not leave the iron face down on a fabric in one place for any length of time

What are the 3 categories of textile materials?

• Natural

• Synthetic

• Regenerated

Where do natural textiles come from?

Natural Textiles come from animal or vegetable sources.

What are some examples of Natural Textiles?

Animal fibres : Wool and silk Plant fibres: Cotton

Where do synthetic fabrics come from?

They are made using chemicals produced from crude oil called petrochemicals.

What are finite resources?

Materials that will eventually run out, and once its runs out it cannot be remade.

What are non-finite resources?

Materials that will last for a long time and are very unlikely to run out. They are known as sustainable resources.

What are some examples of synthetic fabrics?

Polyester and Elastane (Lycra)

Where do regenerated fibres come from?

Wood pulp

What is an example of regenerated fibres?

Viscose

How are fibres processed into yarns?

Spinning

How are yarns processed into fabrics?

They can be woven or knitted.

What is the usual size of the seam allowance?

1.5cm

Why is the seam allowance important?

It adds strength to the seam.

What are the pattern markings?

Cutting line, sewing line and the seam allowance.

What are some examples of finite resources?

Petrochemicals and metals

What are some examples of non-finite resources?

Trees, plants and animals

What type of fabric is finite?

Synthetic

What are some types of printing techniques?

• Block

• Stencil

• Flat Bed Screen printing

• Sublimation

• Digital

• Rotary screen printing

What printing techniques are available in batch production?

Block, stencil, screen, digital, sublimation

What printing techniques are available in mass production?

Rotary screen and digital

What printing techniques are available in school?

Block, stencil, screen and sublimation

What are the advantages of CAD/CAM?

Ideas, designs and patterns can be developed quickly

More accurate drawings/design can be achieved

Changes can be made quickly and easily

What are the disadvantages of CAD/CAM?

Can be expensive to set up

Files could be corrupted or lost

Can need skilled engineers to run equipment

What are the print repeats we studied in DT?

Single motif, scatter repeat, block repeat, half drop repeat and brick repeat.

What are some sustainable textile techniques?

Using old garments, and using non finite resources