Flat-fell basics

  1. Right sides togethers. (The first seam is on the wrong side.)
  2. Fold front allowance over back allowance on the first seam results in bulk and topstitch in the back.
  3. Turn to right side, fold seam allowance on wrong side to cover itself.
  4. Topstitch on the right side making sure seam allowance is folded under.

flatfell2a

Folding front over back on first seam results in: bulk in the back, and topstitch in theback.

Folding back over front on first seam results in: bulk in the front, and topstitch in the front.