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How many sample rounds should I go through before approving a design for production?

The short answer

Realistically three: an initial sample to validate the concept, a revised sample fixing the obvious misses, and a pre-production (PP) sample that must match what actually ships. If you're on round five and still rejecting, the spec sheet is the problem, not the factory, tighten what you're asking for instead of hoping the next sample magically gets it right.

A quick summary to orient you. The real value is below: the resources worth your time, from people who've actually done it, not us.

Here are the resources

Hand-picked from around the web, each with a note on why it earns your time. India-specific ones carry a badge.

3 resources 1 India-specific 3 link-checked

Read

📄 Article
✓ Link checked India Free Intermediate

Why we picked it An Indian export house's ground-level account of how many sample rounds are normal and what each one is actually checking for.

The Textile Sampling Process Explained

From kbexports.com by KB Exports

  • Names each sampling stage and its purpose
  • Written by a practising Indian export house
  • Helps you spot when you're adding unnecessary rounds
Open kbexports.com →
📄 Article
✓ Link checked Free Intermediate

Why we picked it One of the most-cited independent explainers of AQL in the sourcing world, written by inspectors who actually apply it in the field.

What Is the AQL (Acceptance Quality Limit) in QC Inspections?

From qualityinspection.org by QualityInspection.org

  • AQL sets tolerance separately for minor, major and critical defects
  • Critical defects are typically set to zero tolerance
  • Explains how sample size scales with batch size
Open qualityinspection.org →

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