Things Shaped Like A Cone. Not sure if its lead. The stick thing that you chuck the rings on for that ring toss game.

What Are Cone Shaped Objects
What Are Cone Shaped Objects from images.reference.com
An object that is shaped like a cone is conical. It's like a shotgun blast coming from the point of origin. The barriers we see on roads are also conical.

Depending on the order of integration you choose.

It'll just clip some squares and mostly fill others and it's up to the gm. An object shaped like a cone is said to be conical. Something that resembles a cone in shape: Traffic cones traffic cones can be found along.