6.7.3 Fabricating/constructing/assembling

Question 1

What is drape and name 3 things that affect it

Answer 1

• ability of fabric to form waves as it’s hung
• stiffness, weight, rigidity

Question 2

Describe 2 features of a plain seam
:) :(

Answer 2

• most common seam type
• can be stitched together or pressed flat open
  :) straightforward to carry out
  :( overlocking/zig zag stitch needed to prevent fraying

Question 3

Describe 2 features of a flat felled seam
:) :(

Answer 3

• overlapping seam (2 rows of stitching: adds strength, durable)
• top stitching usually diff colour
  :) strong seam
  :( time consuming

Question 4

Describe 2 features of a french seam
:)
:(

Answer 4

• used to hide all raw edges (inside a double stitched seam
• used on delicate fabrics e.g chiffon
  :) neat finish, no raw edges
  :( time consuming

Question 5

Describe 2 features of a double stitched seam
:) :(

Answer 5

• 1st stitch: normal (plain seam)
  2nd: 5mm away from stitch line (within the seam allowance)
  :) prevents seams from unravelling
  :( time, needs finish

Question 6

Name 6 ways of finishing raw edges

Answer 6

• zig zag stitching
• bound seams
• rolled hems
• turned under and sewn
• blind hemming
• invisible stitching

Question 7

What does zig zag stitching do?

Answer 7

strengthens seam but adds bulk

Question 8

What do bound seams use?

Answer 8

use bias binding - encases raw edges on both sides

Question 9

What are rolled hems?

Answer 9

narrow, fine, overlocked stitch on delicate fabrics

Question 10

How are turned and sewn edges made?

Answer 10

the raw edges are turned under and a row of straight stitches is made close to the fold

Question 11

What is the purpose of blind hemming?

Answer 11

It neatens hem without visible stitches

Question 12

What is invisible stitching used for?

Answer 12

seam repairs
involves needle entering the folded edge directly over last stitch