Difference between revisions of "Make Cold Porcelain"
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#Mix in 2 Tbsp (30 mL) baby oil and 2 Tbsp (30 mL) lemon juice. Alternatives are listed in the ingredients section. Keep mixing until there are no lumps present. | #Mix in 2 Tbsp (30 mL) baby oil and 2 Tbsp (30 mL) lemon juice. Alternatives are listed in the ingredients section. Keep mixing until there are no lumps present. | ||
#*Lemon juice is not vital for consistency but is strongly recommended as it inhibits the growth of mold. | #*Lemon juice is not vital for consistency but is strongly recommended as it inhibits the growth of mold. | ||
| − | #Alternate 15-second intervals in the microwave with more stirring. Microwave it for 15 seconds at a time, taking it out to stir in between. Depending on the power of your microwave, this should take somewhere between three and nine 15-second intervals.<ref>https://www.youtube.com/watch?v=AxqmMyLwxk0</ref><ref>http://snapguide.com/guides/how-to-make-cold-porcelain-clay/</ref> | + | #Alternate 15-second intervals in the microwave with more stirring. Microwave it for 15 seconds at a time, taking it out to stir in between. Depending on the power of your microwave, this should take somewhere between three and nine 15-second intervals.<ref name="rf1">https://www.youtube.com/watch?v=AxqmMyLwxk0</ref><ref name="rf2">http://snapguide.com/guides/how-to-make-cold-porcelain-clay/</ref> |
#*The mixture will form clumps as it cooks. Try to stir in as many of these as possible between microwaving. | #*The mixture will form clumps as it cooks. Try to stir in as many of these as possible between microwaving. | ||
#*The mixture is ready when it is sticky and very clumpy. This will be easier to judge once you see how your first attempt ends up. | #*The mixture is ready when it is sticky and very clumpy. This will be easier to judge once you see how your first attempt ends up. | ||
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#Put lotion on your hands and a clean kneading surface. This will prevent sticking. Feel free to prepare the work surface during the microwave intervals. | #Put lotion on your hands and a clean kneading surface. This will prevent sticking. Feel free to prepare the work surface during the microwave intervals. | ||
#Knead the mixture until it cools down. Immediately remove the hot dough-like mixture from the bowl and begin kneading it. | #Knead the mixture until it cools down. Immediately remove the hot dough-like mixture from the bowl and begin kneading it. | ||
| − | #*It will usually take 10 to 15 minutes for the mix to cool to room temperature.<ref | + | #*It will usually take 10 to 15 minutes for the mix to cool to room temperature.<ref name="rf2" /> Knead the mix for this entire period. |
#Wrap the mix tightly and let rest 24 hours. Use plastic wrap to make an airtight seal around the cold porcelain mix. Store it in a cool, dry place for 24 hours. | #Wrap the mix tightly and let rest 24 hours. Use plastic wrap to make an airtight seal around the cold porcelain mix. Store it in a cool, dry place for 24 hours. | ||
#*You can coat the plastic wrap with lotion to prevent sticking. | #*You can coat the plastic wrap with lotion to prevent sticking. | ||
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#*The refrigerator is a fine place to store the mix, but any location out of direct sunlight, heat, and moisture is fine. | #*The refrigerator is a fine place to store the mix, but any location out of direct sunlight, heat, and moisture is fine. | ||
#Check consistency. After a day of rest, remove the cold porcelain and see how it turned out. It should now be ready to use. | #Check consistency. After a day of rest, remove the cold porcelain and see how it turned out. It should now be ready to use. | ||
| − | #*Take a piece of the cold porcelain and tear it apart gently. A well made batch will form teardrop shapes as it stretches and breaks.<ref | + | #*Take a piece of the cold porcelain and tear it apart gently. A well made batch will form teardrop shapes as it stretches and breaks.<ref name="rf1" /> |
#*If the inside of the clay feels sticky, knead in additional corn starch. | #*If the inside of the clay feels sticky, knead in additional corn starch. | ||
#*If the cold porcelain is brittle or dry, it was probably overcooked. You can try adding a little more oil, or make an undercooked batch and knead the two together afterward. | #*If the cold porcelain is brittle or dry, it was probably overcooked. You can try adding a little more oil, or make an undercooked batch and knead the two together afterward. | ||
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===Using a Stovetop=== | ===Using a Stovetop=== | ||
#Mix the ingredients in a saucepan. Combine 1 cup (240 mL) cornstarch or corn flour, 1 cup (240 mL) white glue, 2 Tbsp (30 mL) olive oil, and 2 Tbsp lemon juice. | #Mix the ingredients in a saucepan. Combine 1 cup (240 mL) cornstarch or corn flour, 1 cup (240 mL) white glue, 2 Tbsp (30 mL) olive oil, and 2 Tbsp lemon juice. | ||
| − | #Stir over low heat for 10-15 minutes.Remove the mixture from the heat once it starts pulling away from the side of the pan. It should look similar to ricotta cheese when finished.<ref>http://thejunkwave.com/2011/07/18/how-to-make-your-own-air-dried-porcelain-with-common-household-ingredients/</ref> | + | #Stir over low heat for 10-15 minutes.Remove the mixture from the heat once it starts pulling away from the side of the pan. It should look similar to ricotta cheese when finished.<ref name="rf3">http://thejunkwave.com/2011/07/18/how-to-make-your-own-air-dried-porcelain-with-common-household-ingredients/</ref> |
#Knead until the mixture cools. Wait until it cools down enough to handle it, then knead continually until it reaches room temperature. | #Knead until the mixture cools. Wait until it cools down enough to handle it, then knead continually until it reaches room temperature. | ||
#Store in an airtight container. Using a ziploc bag or plastic wrap, store the mix in a cool, dry location away from direct sunlight. | #Store in an airtight container. Using a ziploc bag or plastic wrap, store the mix in a cool, dry location away from direct sunlight. | ||
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===Sculpting with Cold Porcelain=== | ===Sculpting with Cold Porcelain=== | ||
| − | #Knead in acrylic or oil paint.<ref>http://www.craftstylish.com/item/2802/how-to-make-cold-porcelain/page/all</ref> If you'd like to make a colored porcelain, knead the color of your choice in thoroughly before you begin. | + | #Knead in acrylic or oil paint.<ref name="rf4">http://www.craftstylish.com/item/2802/how-to-make-cold-porcelain/page/all</ref> If you'd like to make a colored porcelain, knead the color of your choice in thoroughly before you begin. |
#*You can add paint during the initial kneading while making the cold porcelain, but this will reduce its shelf life. | #*You can add paint during the initial kneading while making the cold porcelain, but this will reduce its shelf life. | ||
#Knead each piece before you shape it. Every time you use a new piece of clay, knead it first to increase its elasticity. | #Knead each piece before you shape it. Every time you use a new piece of clay, knead it first to increase its elasticity. | ||
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#Leave the result to dry. Cold porcelain requires no additional cooking and will harden simply when exposed to air. | #Leave the result to dry. Cold porcelain requires no additional cooking and will harden simply when exposed to air. | ||
#*How long this takes depends greatly on the size of your sculpture, the temperature, and the humidity of the air. Keep checking until it is hard. | #*How long this takes depends greatly on the size of your sculpture, the temperature, and the humidity of the air. Keep checking until it is hard. | ||
| − | #Seal your sculpture. Without a seal, your cold porcelain art will be vulnerable to "melting" in heat or water, although you should still keep sealed art in a cool dry place when possible.<ref>http://janestreetclayworks.com/2011/06/26/cold-porcelain-made-from-ingredients-in-your-home/</ref> | + | #Seal your sculpture. Without a seal, your cold porcelain art will be vulnerable to "melting" in heat or water, although you should still keep sealed art in a cool dry place when possible.<ref name="rf5">http://janestreetclayworks.com/2011/06/26/cold-porcelain-made-from-ingredients-in-your-home/</ref> |
#*There are many types of sealant and lacquers intended for clay, with various glossy or matte finishes. Clear acrylic sealer is a simple transparent option. | #*There are many types of sealant and lacquers intended for clay, with various glossy or matte finishes. Clear acrylic sealer is a simple transparent option. | ||
