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Trimming, Grading, Clipping & Notching Seams

Trimming, Grading, Clipping & Notching Seams. Trimming, Grading and Clipping Seams. Trimming. To cut off part of the seam allowance to reduce bulk. Trim away 3/8 inch of fabric along the full length of the seam. Grading. Means to trim each layer of the seam allowance to a different width.

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Trimming, Grading, Clipping & Notching Seams

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  1. Trimming, Grading, Clipping & Notching Seams

  2. Trimming, Grading and Clipping Seams

  3. Trimming • To cut off part of the seam allowance to reduce bulk. • Trim away 3/8 inch of fabric along the full length of the seam.

  4. Grading • Means to trim each layer of the seam allowance to a different width. • Trimming the seam reduces bulk more smoothly.

  5. Clipping • Means to cut slits into the seam allowance. • Needed on all seams with an inside curve. • Usually done at ½ inch intervals at a 90°angle.

  6. REASONS • If seam lines tend to pucker or look bulky. • Want seams on a finished garment to appear smooth.

  7. Notching • Means to cut wedges into the seam allowance. • Is done on seams with an outside curve. • Removes excess fabric that otherwise cause the seam to be bulky when turned.

  8. Trimming -cut off part of the seam allowance to reduce bulk.

  9. Method of Trimming -trim away ⅜ of an inch of fabric along the full length of the seam. -this will leave a ¼ inch seam allowance.

  10. Grading -cutting layers of a seam allowance to varying (different) widths.

  11. Method of Grading -trim each seam allowance to a different width -garment seam allowance is left widest -facing seam allowance is trimmed narrowest -layers in between, trimmed more than the garment, but less than the facing

  12. Clipping -to cut slits into the seam allowance. -needed on all seams with an inside (inward) curve.

  13. Purpose of clipping -seam will turn over smoothly. -curved seams not clipped, will pucker when turned.

  14. Method of Clipping -use points of shears - cut into seam allowance at right angles to seam line -cuts should be ½” apart, cutting almost to the seam line. -inside corners clip diagonally from seam edge to stitching 

  15. Notching -cut wedges into the seam allowance. -needed on all seams with an outside (outward) curve.

  16. Purpose of Notching -remove excess fabric – if not removed will cause the seam to be bulky when turned.

  17. Method of Notching -v-shaped cuts (wedges) that are cut at ½” apart to the seam line. 

  18. Trimming Corners -corners are trimmed diagonally across the corner.  

  19. Method of Trimming -trim excess fabric from the sides of a point at an angle. 

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