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mentioned elbow in sleeve

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Looking at your image, I can see a long white shirt sleeve laid flat. It is a straight-cut, one-piece sleeve with no elbow dart or elbow shaping. Here is what you need to know about adding an elbow mention (elbow dart/ease) to this sleeve:

What "Elbow in Sleeve" Means in Tailoring

The elbow is the bend point of the arm, roughly at the mid-point of the sleeve length. Without elbow shaping, the sleeve sits straight but does not naturally follow the slight forward bend of the arm at rest. There are two main methods to add it:

1. Elbow Dart

A small dart taken on the back (under) seam of the sleeve at the elbow level.
  • Position: Measure from the sleeve cap head down to the elbow point (usually ~33-36 cm depending on size). Mark this on the underarm/back seam.
  • Dart size: Typically 1-1.5 cm wide at the seam, tapering to nothing about 5-7 cm toward the sleeve center.
  • Direction: Points toward the elbow, creating a slight backward cup so the sleeve bends forward naturally.
How to mark and stitch:
  1. Fold the sleeve so the underarm seam is on top.
  2. At the elbow level, pinch and stitch a small triangular dart on the back seam edge.
  3. Press toward the wrist.

2. Elbow Ease (No Dart - Seam Shaping)

Instead of a dart, the back seam is curved outward slightly at the elbow.
  • On the back (elbow side) seam, curve the seam out by ~0.5-1 cm at the elbow point and taper back to the original seam line above and below.
  • This gives the sleeve a slight "bow" shape that mirrors the natural arm position.
  • Re-sew the seam, press, and the sleeve will hang with a forward lean.

Looking at Your Sleeve

Your sleeve currently has:
  • A straight back seam - no elbow shaping at all
  • A placket and pleat at the cuff - standard shirt construction
To add elbow shaping to this sleeve, the easiest approach is the elbow dart method on the underarm/back seam since the sleeve is already sewn. Mark the elbow point, stitch a small dart (1-1.5 cm), and press it down toward the wrist.
Would you like me to clarify the exact marking placement or help with the pattern adjustment?
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