In this video we will see how to create a tangent plane over a cylindrical surface in creo parametric. To do so the cylindrical surface and a plane should be selected using the Ctrl key. Then specify that the newly created plane should be tangent to cylindrical surface and parallel to the selected plane. Clicking at a right spot will determine the side of plane creation. Visit my blog to find similar videos. http://nisheeth-inventortalks.blogspot.in