How to fold cardboard

Written by tessica cutchin
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How to fold cardboard
Folding cardboard is a quick and easy process. (angled corrugated cardboard image by leafy from

Folding cardboard is an easy process. Folding cardboard can be necessary for storing cardboard boxes or for using cardboard to create structures from cardboard. These simple steps will produce a clean fold with minimal effort.

Skill level:

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Things you need

  • cardboard
  • ruler
  • pencil
  • craft knife (optional)

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    Folding Cardboard

  1. 1

    Lay your cardboard on a flat surface.

  2. 2

    Lay your ruler down where you would like your fold to be. Trace against the ruler with your pencil.

  3. 3

    Turn your ruler so it is perpendicular to your cardboard (instead of flat against it) and press down creating a dent or crease. If your cardboard is longer than your ruler, repeat these steps until you have a crease running the length desired.

  4. 4

    Leave your ruler against the cardboard and fold one side up against the width of the ruler. This creates a straight fold. Continue folding against the ruler to fold the desired length.

Tips and warnings

  • Use the craft knife to create a shallow cut along the crease to make an even cleaner fold. Be careful not to cut through. Be aware that cutting the cardboard may take away some structural integrity.

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