A cap sleeve is hardly a sleeve at all - but this shoulder detail is easy to draft and sew, and adds interest to what would otherwise be a simple sleeveless top.
Making your sleeves fit
How to Make a Cap Sleeve T shirt (without a pattern!) - Cucicucicoo
Learn how add cap sleeves to any top or dress on It's Sew Easy
How to Make a Dove Blouse with Cap Sleeves
How to make Cap Sleeves
Create a Custom Sleeve Pattern - Threads
indietutes: resizing a pattern
How to Draft a Square Sleeve Cap - Threads Blouse pattern sewing, Pattern drafting bodice, Fashion sewing pattern
How to Cut a Cap Sleeve for your Top or Dress
How to Do a Full Sleeve Adjustment, Blog