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Module 10 · Lesson
Stitch and Seam Science
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What this lesson answers
Stitch and Seam Science — questions covered in this lesson
- What is the difference between lockstitch and chainstitch?
- How do you read a stitch and seam notation like 401/SSa?
- What stitch density (SPI) should be used on a woven seam?
- Which seam type is strongest for a load-bearing garment seam?
- How does stitch type affect seam stretch and strength?
Key terms
stitch typesseam typesstitch density SPIlockstitch and chainstitchseam strengthseam allowance
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