These options appear as a subset of the Paint Effects Brush Settings window, and the Attribute Editor for any brush node.
section in theSpiraling occurs when tubes are wrapped around the stroke normal.
Defines the minimum and maximum amount of spiraling that occurs around the stroke normal. Paint Effects randomly chooses values within this range for newly created tubes.
Defines how the amount of spiraling (tightness) decays from the beginning to the end of a tube. If the value is 0, the spiral is constant. Values greater than 0 produce tighter spirals, Values less than 0 produce looser spirals.