CAD (GGT)

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Lecture 12

• CAD (GGT)

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CAD (GGT)

• CAD stands for Computer Aided Designing
• GGT stands for Gerber Garment Technology

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Flow Process of GGT
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Flow Process of GGT
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GGT

• Hardware
• Digitizing Table
• Work Station (Work Station)
• Plotter
• Label Printing Station
• Spreader
• Software
• AccuMark
• PDS (Pattern Design System)
• V-stitcher

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Digitizing Table

• This is a table consisting of electronic circuits
  under its surface.
• About 2 inches from each corner
• There is a mouse for input
• Verification is the next step

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Notch

• A notch is a small cut. It is used to match or
  align two garment pieces during stitching

• Types of notches
• T notch
• V notch
• Slit
• U notch
• Castle notch

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PDS (Pattern Design System)

• This is a software Which is used to design a
  pattern.
• Usually, in industry, people make small and easy
  patterns with PDS while the main bodice is made
  manually

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Grading

• It is not advisable to make patterns of all the
  sizes
• Pattern of base size is made and then grading
  comes into action
• Rule Table is made for grading

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Rule Table
Size Name Point 1 Point 1 Point 2 Point 2
X Y X Y
8 - 0.5 0 - 0.2 - 0.1
10 (base) 0 0 0 0
12 0.5 0 0.2 0.1
14 0.5 0 0.2 0.1
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Model Making

• Model means the number of pieces to make a
  garment
• E.g. For a trouser
• Front bodice 2
• Back bodice 2
• Waist Band 1
• Loops 5
• Patch pocket 2
• Pocket bag 2
• Facing 2
• E.g. For a shirt
• Sleeves 2
• Front Bodice 1
• Back Bodice 1