Step 1
Slash and square lines (A) and (B).
Step 2
Open centre by pivoting pieces from points (A) and (B) – like shown on the diagram.
Step 3
Square off hemline. And smoothen the shape of sleeve head.
Step 4
The outer pattern measurements remain as original. And the cross head and the girth becomes larger. The amount depends on personal requirements and needs to be adjusted accordingly.