Wood Patternmaker how-to

How to Lay Out a Pattern with a Shrink Rule

Shrink rules build in allowance.

Updated By the Career Education Institute Curriculum Team
Quick answer

Shrink rules build in allowance. In short: check; pick; lay, then complete the remaining steps below.

Step by step

  1. Check the metal.

  2. Pick the shrink rule.

  3. Lay out dimensions.

  4. Add machining allowance.

  5. Add draft.

  6. Check.

Safety reminders for wood patternmakers

  • Use guards
  • Wear eye and dust protection
  • Keep tools sharp
  • Control dust

Pattern · Draft · Shrink rule · Core box · Fillet · Parting line: see the full wood patternmaker glossary.

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