|Transfer patternlines to fusible interfacing, make sure to reverse the pattern for the second piece.
Fuse it to the fabric and cut it out.
Position the piece on the arm, the patterns fabricside should face the wrong side of the arm and also note the directions on the patternpaper for front and back placement.
Sew the outside lines of the marked column and cut it open with a V in the top, turn and press.
Press the backpart of the pattern towards the front and fold it on the dotted lines, secure it with a line of straight stitches, this should cover the "hole"
Press the seamallowances on the frontpart ( the point ) to the back.
Turn it towards the back of the arm and fold if forward on the foldline.
Secure it by sewing straight stitches on the dotted lines.
Not only is this the best looking vent I ever have seen, itīs also very strong and very easy once you know how to make it.