Constructs a parallelepiped given a vertex and two sides.

Public Sub New(
    point1 As Point3d, 
    dir1 As Vector3d, 
    dir2 As Vector3d, 
    dir3 As Vector3d
)

public BoundBlock3d(
    Point3d point1, 
    Vector3d dir1, 
    Vector3d dir2, 
    Vector3d dir3
);