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How to Build Landform Models

Contributor
By Janet Beal
eHow Contributing Writer
(0 Ratings)

No matter what kind of models you like to make, putting them in a landscape setting will enhance your hard work. Whether you want to put your village on a hill with a duck pond at the bottom or send your logging train through a mountain valley, being able to build model landforms is a fun way to show off your models. Below are two methods for building landforms; choose whichever you like best.

Difficulty: Moderately Easy
Instructions

Things You'll Need:

  • METHOD ONE (Molding):
  • large plastic pail or basin
  • sand
  • water for dampening
  • plaster of paris or lightweight powder craft substitute
  • water for mixing
  • trowel or wooden spoon
  • plastic wrap
  • METHOD TWO (Sculpting):
  • lightweight air-dry modeling clay
  • sculpting tools (either craft or plastic utensils)
  • natural decorative objects: rocks, twigs, sand
  • damp paper towels
  • BOTH: protected work surface
  • space for undisturbed drying, 24 hours or more
  • acrylic paints, decorative grass or other craft items

    How to make landform models --- molding

  1. Step 1

    Dampen sand until it will hold a shape. You are building a mold into which you will pour your molding solution, so think upside down. A deep hole will make a tall mountain. Two shallower holes with a ridge built up between them will make two rolling hills and a valley.

  2. Step 2

    Line your sand mold with plastic wrap and gently pour in molding solution. Let dry undisturbed for at least 24 hours and turn out your shape, keeping a hand under it until it is safely landed on your work surface.

  3. Step 3

    Use additional solution to patch minor cracks. You can also use craft sculpting tools or plastic implements to sharpen details. Now you're ready to decorate. Sand can be reshaped for new landforms.

  4. How to make landform models --- sculpting

  5. Step 1

    Choose a piece of lightweight sculpting clay large enough for your landform (if you want a very large form, work in sections and glue together before decorating). Model the general shape with your hands.

  6. Step 2

    Use sculpting tools or household items to add details and textures --- mountain ridges, the edge of a pond, the banks of a stream bed.

  7. Step 3

    Incorporate natural decorative items as you sculpt: pebbles make good model boulders; a handful of sand adds a beach at the bottom of your cliff, and twigs can be planted (flesh them out into trees in the final decorating). Let dry thoroughly, and you're ready for final decoration.

Tips & Warnings
  • Sand molding is best used for rounded shapes. Plan to add more detail decoratively than with sculpted forms. If you want more natural texture, line your sand mold with cheese cloth --- as you progress, experiment with pouring solution slowly directly onto the sand.
  • As with any chemical substance, wear protective gloves if you have sensitive skin.

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