public Circle(Coordinate origo, int lenght = 0, int height = 0) : base(origo, lenght, height) { }
public Line(Coordinate origo, int lenght = 0) : base(origo) { Lenght = lenght; }
public Arc(Coordinate origo, int lenght = 0, int height = 0) : base(origo, lenght) { Height = height; }
public Shape(Coordinate origo) { Origin = origo; }