Concetti Chiave

  • Fibre is a fundamental hair-like unit used to produce yarns and fabrics, such as cotton and wool.
  • Yarn is created by twisting or spinning fibres, forming the threads used in fabrics.
  • Fabric construction involves techniques like weaving or knitting, using two sets of yarn: warp and weft.
  • The right side of fabric is designed for external display, while the wrong side faces inward.
  • Seam and seam allowance are crucial in garment construction, affecting fit and finish.

Fibre is a hair-like basic unit of raw material used in making of yarns and fabrics for example cotton, linen, silk, wool, nylon fibres.

Yarn is a thread made by twisting or spinning fibres.

What are the structure and directions of the tissue?

Fabric is cloth constructed with yarn or directly from fibres by weaving, knitting, crocheting, felting, etc. A woven fabric is made up of two sets of yarn or thread - the warp and the weft.

The warp is the yarn or thread which runs length-wise in a woven fabric. It is parallel to the selvedge.

The weft is the yarn or thread which runs length-wise in a woven fabric. It is parallel to the selvedge grain.

The selvedge is the edge of the fabric made by the weft thread or yarn by turning over the wrap thread. It is the mill finished edge of a fabric which runs in a length-wise direction.

Bias is the diagonal direction across the two grain-lines-wrap and weft.

True bias make an angles of 45 degree centigrade across the length-wise and crosswise grains. It has the greatest stretch.

Grain of the fabric refers to the direction of yarns or threads in a fabric.

Right and left side of the tissue

The right side (RS) of the fabric is the side to be worn out. It has better finish and more distinct print than the other side.

The wrong side (WS) of the fabric is the side of the worn inside.
Stitching is the process of passing thread needle and thread in and out of a material to make a special design.

Seam is the joining line made when two pieces of cloth are stitched together.

Sean allowance is the amount of fabric between the cut edge and the seam line itself.

Ripping means loosening sewn stitches.

Trimming means cutting away excess fabric from a seam allowance.

Clip means to make a short snip or cut in a seam allowance with the point of the scissors at an angle is the seam.

Pattern is a design or paper model used for sewing.

Fullness is an effect made on a garment to accommodate the curves of the body for example gathering, darts and tucks.

Ease means to push in slight fullness so that no puckers or gathers are noticeable on the seam line.

Slash may mean to make a clean cut with scissors, up to a certain mark or it may mean to cut open.

Studia con la mappa concettuale

Domande da interrogazione

  1. What is the basic unit used in making yarns and fabrics?
  2. The basic unit used in making yarns and fabrics is fibre, which can be natural like cotton, linen, silk, and wool, or synthetic like nylon.

  3. What is the significance of the bias in fabric?
  4. The bias is the diagonal direction across the warp and weft grain-lines, making a 45-degree angle. It has the greatest stretch, which is crucial for certain garment designs.

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