Definition - What does Fan Pattern mean?
Fan pattern refers to the characteristic appearance and form of the area where atomized paint is deposited during spray application. A fan pattern is analyzed to determine which method of spray application is the most beneficial in order to prevent material corrosion.
Corrosionpedia explains Fan Pattern
Understanding the fan pattern before a spray application helps to prevent paint failure-based corrosion. Such paint failures include overspray, sag, blistering, fading, etc.