The video shows the Piercing operation on a circular sheet. In the video, the setup is shown on the left side. In the setup the upper die is shown in yellow, the lower die in green, the sheet in red and the punch in blue. On the right top end, the punching procedure is described with punch and sheet shown. On the right bottom end, one could see the contours changing describing the equivalent strain generated at the centre being high and at the periphery being low.