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Step 3Add limestone powder and oils
Stir in 3/4 cup of limestone powder. Stir until all lumps are smoothed.
Add baby oil, coconut oil / linseed oil and petroleum jelly last 30 seconds of stirring well before turning off heat.
Quickly pour onto trays / plates lined with aluminum foil.
It will harden quickly - in around 10 minutes. Check the texture by rolling with your hands.
If the texture is too firm place modelling clay into double pots again, reheat on low and add more lime powder, petroleum jelly and mineral oil. Cool again.
TROUBLESHOOTING Texture Problems
Too crumbly - Increase the amount of wax and oils to increase stickiness and soften texture of overall mix. The mixture should become more malleable and thinly rolled sections will no longer fall to pieces.
Too firm - Add more oils and limestone powder. It should become more sticky. If the ratio of beeswax is larger compared to the other ingredients, the modelling clay will be quite firm. This is perfect for finer sculpting.
PS. Its possible to experiment with turpentine and linseed oil for softening or thickening your mixture - but away from the stove for saftey.
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Watch this instructable as a 1 minute MOVIE (for visual learners who prefer watching instructables to reading them)
Add baby oil, coconut oil / linseed oil and petroleum jelly last 30 seconds of stirring well before turning off heat.
Quickly pour onto trays / plates lined with aluminum foil.
It will harden quickly - in around 10 minutes. Check the texture by rolling with your hands.
If the texture is too firm place modelling clay into double pots again, reheat on low and add more lime powder, petroleum jelly and mineral oil. Cool again.
TROUBLESHOOTING Texture Problems
Too crumbly - Increase the amount of wax and oils to increase stickiness and soften texture of overall mix. The mixture should become more malleable and thinly rolled sections will no longer fall to pieces.
Too firm - Add more oils and limestone powder. It should become more sticky. If the ratio of beeswax is larger compared to the other ingredients, the modelling clay will be quite firm. This is perfect for finer sculpting.
PS. Its possible to experiment with turpentine and linseed oil for softening or thickening your mixture - but away from the stove for saftey.
*********************************
Watch this instructable as a 1 minute MOVIE (for visual learners who prefer watching instructables to reading them)
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Sep 15, 2011. 3:43 AMcanadian nh
says:
Thank you for this easy recipe, but I need to know if this clay is air dry or not. Thanks
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