Cut out a circular piece of paper
Draw a straight line from the center to the edge
Cut along the line
Overlap the cut edges to form a cone shape
Tape or glue the edges together
Trim the base if needed to make it even
Cut out a circular piece of paper
Draw a straight line from the center to the edge
Cut along the line
Overlap the cut edges to form a cone shape
Tape or glue the edges together
Trim the base if needed to make it even