This article presents the automation of elliptical trammel mechanism by applying rack and pinion and DC Motor arrangement on the rod of the trammel which moves on the channel. The power supply is done by batteries and the entire system is carried out to have its operation by making ellipses of varying sizes. Moreover, a compass system attached at the end of the pinion makes it easy to fix and remove the cutting tools of every kind. Equations relating the position of two sliders with the position of drawing or cutting element provided at the end of connecting rod are derived. The results are experimentally verified by fabricating an elliptical trammel and drawing ellipses from it. The sliders of the mechanism move perpendicular to each other and the drawing or cutting element produces the ellipse on the required surface and of the required major and minor axes which in turn provides a very convenient mechanism for cutting out elliptical pieces of whatever sizes out of any kind of material.
