Level 3


91626: Draft a pattern to interpret a design for a garment

November 2015.

Pattern Drafting

Pattern drafting requires a pattern block and/or working drawing to be established by using key measurements and using these to develop a pattern which interprets a garment’s design including its special features. Line accuracy is a key quality of pattern drafting. Patterns are tested using toiles and mock-ups to check the fit of the garment, to ensure that pattern pieces correctly interpret a design and its special features, and to make any adjustments.

The pattern drafting process…block > pattern

A possible process a student could follow when drafting a pattern could be:

  • Produce a block – no seam allowances
  • Draw design lines on the block
  • Trace off design
  • Add seam allowances   
  • Trialling/toile 
  • Adjustments to block
  • Trace of final pattern
  • Label with pattern markings and notches

A pattern block does not have seam allowances; a pattern has seam allowances.

Special features

In this standard students are expected to create a pattern which includes special features. These may include: panel or princess seams, an empire line, disposal of fullness, pleats, gores, yokes or button wraps, and dart manipulation.

Student evidence

Student evidence could include:

  • knowing how to draft a pattern block from measurements and how to calculate these
  • knowing how to interpret pattern adaptation instructions such as those found in a pattern making text
  • creating a pattern guide sheet
  • being able to label the pattern with the correct symbols, notches, seam allowances and information to enable the construction of the garment.
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