This mechanism describes anti-parallel arrangement to trace a closed form curve like an ellipse arund another closed form curve, an ellipse as well in this case. The system has altogether 5 bodies, 3 rotating links and two sliders namely and seven joints; namely four revolute joints as pivots for rotating links , two prismatic joints between the sliders and the links and one revolute joint between the two sliders. It is a one degree of freedom system.