How to make a 3D model of a heart

Written by joan collins
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How to make a 3D model of a heart
3-D heart model (Blue Heart image by netzfrisch.de from Fotolia.com)

The human heart is no larger than a human fist and weighs between seven and fifteen ounces. It keeps life flowing through the veins as it pumps gallons of blood through every living human body. Located between your lungs, the heart is protected by your breastbone. Learn about your heart. Read and study. Enhance your study of the heart by creating a 3-D model of the human heart using clay.

Skill level:
Easy

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Things you need

  • Red clay
  • Blue clay
  • Yellow clay
  • Pink clay
  • Purple clay
  • White clay
  • Green clay

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Instructions

  1. 1

    Knead a four-inch by four-inch square of blue clay until it is soft enough to mould. Form the blue clay to form an object similar in size and shape of your hand, which is similar to a human heart. One side should be slightly rounded. The second side should be flat.

  2. 2

    Lay the heart-shaped blue clay on a hard surface, flat side up. The wider end of the heart is the top, and the narrow end is the bottom. Knead a one-inch by one-inch piece of red clay and roll it into a thin ribbon. Outline the entire circumference of the blue shape with the red ribbon.

  3. 3

    Place a second ribbon on the blue clay. Position it so it starts on the red clay at the bottom of the heart where the clay is more pointed. The red ribbon will run up the centre of the blue clay to the midway point.

    It is important to know that the heart is like a mirror image. The left ventricle and left atrium are found at the right side of the heart model. The right ventricle and right atrium are located on the left side of the model.

  4. 4

    Knead a small piece of white clay and roll it into a ribbon. Use it to section off the two lower heart chambers by placing it across the centre. The white ribbon should cross the over top of the middle red ribbon.

  5. 5

    Knead a chunk of yellow clay until it is pliable. You will use this to form the aorta. Form a tube with a 3/4-inch diameter. The tube should look like a candy cane that hooks to the right. On the curve, form three short tubes that lead away from the aorta. Make the three short tubes 3/4-inch in diameter also.Lay the aorta across the left atrium so it rest right where the left ventricle begins.

  6. 6

    Work the pink clay until it is soft enough to form the pulmonary artery. Make a 3/4-inch tube that resembles the lower case printed letter "r". Loop the hook on the top, left of the "r" through the yellow aorta under the curve. The rest of the clay lays across the pulmonary artery.

  7. 7

    Knead the purple clay for several minutes. Form a long, 3/4-inch diameter letter "Y" with the clay. Thread the clay, which forms the pulmonary veins, through the yellow aorta, behind the pink pulmonary artery and out towards an imaginary set of lungs. The top of the "Y" is located at the top of the heart, pointing away from the heart.

  8. 8

    Soften two small chunks of green clay with your hand. Form two 3/4-inch tubelike sections that are about 1 1/2-inches long. Attach one at the left hand top of your heart model, leading to the right atrium. This is the superior vena cava. The second green tube is attached to your model where the right ventricle and right atrium meet, leading away from the heart.

Tips and warnings

  • For display, use a note card to list the parts of the heart, naming each by colour.

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