Step 1:
Prefold in half, then prefold both edges to this prefolded centerline.

Step 6:
Fold pleats, both valley-folds are prefolded lines and the two mountain-folds lay in the middle of the prefolded lines.

Step 5:
Fold over these three lines.

Step 2:
This is the other side of the paper.
Prefold in half, then fold both halfs in three parts of the same size.

Step 4:
Fold over these two lines, use the prefolded lines pattern as guidance.

Step 3:
Fold both parts in half two times, unfold the model afterwards.

Step 10:
Fold over the pink lines.

Step 8:
Repeat step 6 four more times.

Step 9:
Fold over these three lines, use tape or glue on the waist area and upper hem to keep the model in the right shape.

Step 7:
This is the other side of the model.
Repeat step 6 on the left and right, the mountain-folds are prefolded lines now.

Step 11:
Wrap the dress around a fashion doll.
Use glue or tape to connect both ends.