main/src/georegression/struct/shapes/Box3D_F64.java
public double area() {
		return (p1.x-p0.x)*(p1.y-p0.y)*(p1.z-p0.z);
	}
public double area() {
		return (p1.x-p0.x)*(p1.y-p0.y)*(p1.z-p0.z);
	}
The box's area.  area = lengthX*lengthY*lengthZ

@return area