When piping zigzag puffs, think about two motions: up and down and to the side
simultaneously. The up and down movement of your arm determines the height
of the waves; the motion to the side effects the distance between them.
For consistent zigzag puff size and borders, it?s best to have the same number of
zigzags on each side of the tallest center zigzag.
The pressure on your bag and the size tip you use determines the thickness of