By the method of electril charge projection the expression of charge density and field intensity on midperpendicular plane on a conductive plate are given.
For the hair, Andre might use varying sizes and colors of stacking bricks, thin plates, and slanted, single, and square bricks to create a textured effect.
This is made possible through something called a lenticular lens – a corrugated sheet in which each ridge is made up of a convex – or outward-curving – lens.