How to Make Oil Based Modeling Clay

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Co-authored by Amy Sheree

Last Updated: February 24, 2025 References

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Preparing Clay Ingredients

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Making Modeling Clay

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Coloring Modeling Clay

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Q&A

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Things You'll Need

Modeling clays come in various different varieties. There are water-based and oil-based clays that you can make at home. The oil-based clay is sometimes called plasticine. The advantage of using oil-based clay is that it does not dry easily in open air. You can use it and reuse it for something else. Many of the ingredients used in making plasticine can be harmful to the respiratory system or eyes in the heating process, so be sure to wear safety equipment at all times. Learn how to make oil-based modeling clay.

Part 1

Part 1 of 3:

Preparing Clay Ingredients

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It is also called calcium carbonate or calcium hydroxide powder. This will give the body to your clay.^{[1]
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You can choose either paraffin wax or beeswax. Paraffin wax emits toxic fumes when it is heated, so choosing beeswax will reduce the risk of bad reactions.^{[2]
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Find coconut oil or linseed oil from a natural food store. These 2 oils contain 8 percent stearic acid, which will help the mixture to stay smooth.^{[3]
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You will need to devote these to making clay, because the use of lime in the recipe will ensure they cannot be used for cooking again.
Put on a long-sleeved shirt and gloves. Also, use a dust mask and safety goggles to avoid problems from lime fumes.
Place them near the stove.
Place a large pot on your stove and fill it halfway with water. Bring the water to a boil.^{[4]
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Turn the burner down to medium heat.^{[5]
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Part 2

Part 2 of 3:

Making Modeling Clay

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Break off pieces of beeswax and place them in the pot. You should use 100g or 1 8 by 11 inch (20 by 28 cm) sheet of beeswax.
Stir it with a wooden spoon until it is no longer lumpy.
(30ml) of baby oil, 3 tbsp. (44ml) of petroleum jelly and 2 tbsp. (30ml) of coconut oil. Stir them together for 30 seconds. Turn off the heat.
If you want to split the batch into different colors, pour them onto different trays.
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Allow the clay to cool slightly. Test the texture with your fingers. Make adjustments to the texture as needed.
- If the modeling clay feels too firm, return it to the pot on low. Add more lime, more baby oil and more petroleum jelly in small amounts until it starts to loosen up. Stir well and pour it onto the sheet again.
- If the clay feels crumbly, it needs more wax and coconut oil. Melt some wax in the double boiler again. Add some coconut oil and place your crumbly wax in the pot. Stir until it is combined.
If it is still warm, use your plastic gloves to handle the clay.^{[6]
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Part 3

Part 3 of 3:

Coloring Modeling Clay

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2
Add powdered dyes or oil paints to the cream-colored clay. Stir with a popsicle stick until combined.
- Add up to 1 tbsp. of dried color pigment or a smaller amount of oil paint. Increase the amounts to brighten the color.
- You can add turmeric as a natural dye to create a yellow hue.
If your clay becomes too cold, wrap it in plastic wrap and wrap it with a hot water bottle filled with boiling water for 5 minutes.

Community Q&A

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Question

Will this clay hold fine detail work?

Community Answer

No, you are looking for cold porcelain clay. You can refer to this article: How to Make Cold Porcelain.

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Question

How do I soften Plasticine?

ChaosRosario

Community Answer

All you have to do is warm it up some, if it's a good texture; otherwise, refer to Step 5.

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Question

Is this clay toxic for little kids?

Community Answer

Yes, the lime is dangerous if ingested, so if your little ones don't wash their hands after, or are prone to eating things, this clay would not be safe for them.

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