How to Make a 3D Cone Shape

Written by sal griffin
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How to Make a 3D Cone Shape
You can make your own 3D cone out of paper. (inside of a cone image by timur1970 from Fotolia.com)

A cone is a three-dimensional shape with a round base that narrows until it becomes a point. It is different from triangle because it has only one point instead of three, and unlike a pyramid it has no corners or straight edges. You may recognise a three-dimensional cone shape from ice cream cones or party hats. Follow these simple directions to make your own three-dimensional cone. When you're done, you could even turn it into a party hat of your own!

Skill level:
Easy

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Things you need

  • Compass
  • Tape
  • Ruler

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Instructions

  1. 1

    Open your compass so that the distance between the point and the pencil is at least 2 inches. The wider you open it, the larger if your cone will be.

  2. 2

    Place the point firmly on your paper and draw a circle with your compass.

  3. 3

    Using your scissors, cut out the circle along the line you have just drawn.

  4. 4

    Fold the circle in half. You will now have a semicircle.

  5. 5

    Fold the semicircle in half so that the two corners touch each other.

  6. 6

    Open the paper. Your circle should now be divided into four quarters.

  7. 7

    Cut out one quarter of your circle along the folded lines.

  8. 8

    There will now be a gap in your circle. Close the gap by binging the two edges together until they touch.

  9. 9

    Tape the edges together. You will now have a three-dimensional cone shape.

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