All types of conic sections, including the degenerated cases, can be produced. This facilitates the comprehension of a specific arrangement and the understanding of the resulting contour. Selected Links Collection of Links to other Web sites about Conic Sections. To control the intersection of the plane with the cone, use the two sliders. The bar controls the vertical placement of the plane and the circle controls the angle of the plane with respect to the cone.
Some settings are preset and can be selected by clicking on the arrows .
You also can click on the slider lines and drag them to change the position continuously. The spinning of the cone and plane can be turned on or off by clicking on either object. To put the top back on, click on the word Ellipse , which describes this cone-plane intersection.