MAKE 3D OBJECT INTO 2D PATTERN

1. softball with plastic wrap + mask tape
2. trace the seam on the ball, and wrap it with plastic wrap.
   
3. trace the line
   
4. mark the line with A-A, B-B,C-C, and D-D
   
5. cut the tape along the line
6. flatten it by cutting notches along the curve
7. trace the flat pattern onto paper
   
8. cut the flat pattern from paper
9. trace the pattern onto a piece of fabric and cut it out
   my pattern: