How to Make a Model of the Human Heart Out of Clay

Written by brenda priddy
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How to Make a Model of the Human Heart Out of Clay
Clay can easily be transformed into a human heart shape. (Blue Heart image by from

Making a model of a heart from clay is a project that many art students run into sometime during their school career. Making a heart model is one fun way to learn the exact shape and size of the heart and to memorise the different functions of each part of the heart. Clay is a malleable substance that is ideal for forming into almost any shape. Making a clay heart will probably take some time to get right, so make sure to allot about one day to make each section of the heart.

Skill level:

Things you need

  • 1/2-inch dowel rod
  • Small piece of 1-inch thick wood
  • Drill with 1/2-inch drill bit
  • Polymer clay
  • Knife, toothpick or other shaping tools

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  1. 1

    Set up a stand for the clay so you can work on it without damaging or denting the clay while you work. Drill a 1/2-inch hole through the piece of wood. Stick the dowel rod through the hole to create a stand for the clay.

  2. 2

    Look at a 3D diagram of the heart to help create the heart model from clay. The heart is made up of two main ventricles, with an aorta at the top of the heart, a pulmonary artery and vein at the top of the heart, and one posterior vena cava for the arteries and one for the veins at the bottom of the heart.

  3. 3

    Decide if you want to make a closed heart or open heart to showcase the interior of the heart. Plan your design accordingly.

  4. 4

    Construct each piece of the heart separately. This will help make a more realistic looking heart. Place each piece on the dowel rod as you work.

  5. 5

    Add additional details with a small knife, toothpick or other tool to create realistic texture on the heart, such as the veins and arteries on the outside of the heart.

  6. 6

    Place all pieces of the heart together when each separate piece is complete. Use a small amount of water on both pieces of clay to create a sticky surface so that the clay pieces will connect.

  7. 7

    Keep the heart on the wood stand. Bake the clay heart in the oven according to package directions. Usually the clay bakes at a low temperature for several hours.

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