Instructions for Building Styrofoam Pyramids

Instructions for Building Styrofoam Pyramids thumbnail
Make your own model of these large pieces of history.

Constructing model pyramids is a fun way to learn about a past civilization. You can make pyramids from a variety of mediums and materials, and one way is using Styrofoam. Building your own Styrofoam pyramid can be done at home or in a classroom environment and only requires a few easy-to-find tools from a craft store.

Things You'll Need

  • 4 thin sheets of Styrofoam
  • Ruler
  • Razor knife
  • Masking tape
  • 4 sheets of medium grade sandpaper
  • Black marker
  • Scissors
  • Dark brown acrylic latex paint
  • Small artist's brush
  • ½ inch painter's brush
  • Clear crafts glue
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Instructions

    • 1

      Trace a triangle onto one of your Styrofoam sheets that is 12 inches tall and 10 inches wide using a ruler to ensure your edges are straight. Repeat this step with your other three Styrofoam sheets.

    • 2

      Cut out the triangles that you traced in the Styrofoam boards using your razor knife. Tape triangles together to make a pyramid and use thick masking tape over the connecting edges to hold together. You can tape your pyramid onto a large poster board or have it freestanding on its own.

    • 3

      Trace four more triangles the same size as your Styrofoam ones onto four large sheets of medium-grade sandpaper. Use a thick black marker to do this so that you can clearly see the lines and make tracings on the smooth backside of the sandpaper. Cut out the sandpaper triangles.

    • 4

      Take a small artist's brush and some dark brown paint and paint horizontal lines ½-inch apart all the way down one of your sandpaper triangles and repeat with the other three triangles. Let paint dry for an hour.

    • 5

      Take a ½-inch paint brush and brush down the backside of one of your sandpaper triangles with some clear crafts glue. Apply the triangle to one of the triangular sides of the Styrofoam pyramid gently. Repeat with the other three triangles.

Tips & Warnings

  • Make other pyramids in various sizes and play around with dimensions. A good rule of thumb is to make the width of the pyramid a couple inches shorter than its length so you get the right look.

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References

  • Photo Credit pyramid image by christine dedman from Fotolia.com

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