Making a paper cone can illustrate a geometry lesson or form the basis of a Christmas-tree craft project. These instructions pertain to a card-paper cone but you also can use them for any pliable material.
Things You'll Need
- Card paper
- Paper clip or clothespin
- Glue or staples
Determine the size of the finished cone you will need so that you know how large a piece of paper to start with. Experiment using copy paper before cutting your card paper. Or--if the cone isn't a math lesson--plug the numbers into an online calculator.
Use a compass to draw a circle of the appropriate size on a piece of flat card stock. Complete the entire circle before removing or adjusting the compass.
Cut out the circle, keeping the edge as rounded and smooth as possible. This edge will become the base of the cone.
Find the center point of the circle by measuring across the circle with a ruler and dividing the result by two. Mark the center point and draw a straight line from it to anywhere on the edge of the circle. This is the circle's radius.
Cut along the radius line, but don't go past the center point.
Hold the edges of the cut circle in your hands and bring one side under the other to create a cone shape. Use a clothes peg or paper clip to hold it in place.
Cut away the overlapping paper or turn the excess under the side edge of the cone. Turning under the excess will produce a thicker side, which may not be suitable for some craft projects.
Glue or staple the side edge of the cone to secure the shape.
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