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Elegant Marbled Necklace Pendant

By: Jana Ewy for AMACO

This jewelry project from AMACO teaches you how to create marbled pendants or "plastic cabochons" for elegant jewelry. Select the components and colors of your choice for a pendant that looks like a colorful opal, for much less.

Marbled Friendly Plastic Jewelry


  • 1 1/4” Oval shape cutter (Keep in a small dish of ice cold water with a few drops of oil.)
  • Friendly plastic marbling comb
  • 7” Friendly plastic sticks: 1 Turquoise/Blue, 1 Avocado/Black, 1 Swirl/Blue, 1 Gold/Black
  • Cutting mat
  • Acrylic ruler
  • Mat knife or utility knife
  • Craft knife
  • Scissor
  • Needle tool
  • Electric griddle set at 200 to 250 degrees
  • Non-stick baking sheet
  • Envirotex Lite, resin sealer, or any high gloss acrylic sealer
  • Non-stick cookie sheet
  • Jewelry components and findings of your choice


1. Using the cutting mat, ruler and matte knife, cut one 1/4” strip from each color of plastic. Now cut each strip in half with a scissor

2. Pre-heat the griddle. Place the baking sheet onto the griddle. Place the plastic strips onto the baking sheet one at a time in the color pattern of your choice. Make sure each strip is stuck in place before adding the next strip. Try to press each strip tightly against the one before, to prevent any gaps. Allow the plastic to soften and seal together. If any gaps do appear, simply tap over them with your finger pressing the softened plastic together.

3. When all the strips have softened and sealed together, place the teeth of the marbling comb against the baking sheet and draw the comb towards you in a wavy “S” pattern cutting through the plastic.

NOTE: It is very important that you keep the teeth of the comb against the pan while cutting through the plastic. If you only rake over the top, you split the metallic finish and take the chance of exposing too much of the base plastic.

4. Place the teeth of the marbling comb in between the lines you just cut. Now push the comb away following the same wavy pattern, bisecting the previous pass.

5. Remove the pan from the griddle. While the plastic is still warm, cut out the oval by pressing the cutter into the softened plastic. If you are cutting several ovals be sure to dip the cutter back into the cold water after each cut. This will help keep it from sticking to the plastic.

Allow the plastic to cool. You may place the pan under cold running water to speed the cooling process along.

Use the needle tool to press under the edges of the cooled plastic to remove it from the pan. Pop out the ovals. If needed use the craft knife to cut around each one.

6. Apply the Envirotex sealer following the manufactures instructions.

Note: I like to place my pieces on a non stick cookie sheet. This way if there is any run off, it will be easy to remove later. Once I have the Envirotex mixed, I like to pour it into a small squeeze bottle. The application will be more precise and much easier. Blow softly, through a straw to pop any bubbles that remain. Allow the resin to dry at least 12 hours. If there has been any run off, remove the piece from the pan by pressing the needle tool under it and lifting it off the sheet. You can cut the excess that has run off with a scissor. Envirotex cures completely in 24 hours.

7. Gather your jewelry components and findings and assemble them in a pleasing design.

The marbled cabochons are the perfect focal piece in any style of jewelry.





More Friendly Plastic Crafts:

Colorful Butterfly Necklace

Marbled Button Gift Decor

Fantasy Dragon

Pinwheel Garden Stake

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I LOVE this project , it's soo beautfull and something i'd love to make , along with quite a few other Friendly plastic jewerly items , but ,Why is it so hard to find the Friendly plastic anymore , I havent seen it in any store for years , however i rember when i was a young teen , I usto get it a michaels for like 50 to 99 cents a strip and we usto sofen it it hot water and make like cameo pins , ladys faces with beautfull Hats and "tops" made out of the plastic and we'd put jewels and fethers ect in it , now I can only find it online and it's like 45$ for two strips , and i've looked at quite a few sites and sites its cheeper the shipping is so high for a few peices of plastic ! ... Dose anyone know of a good site or store that carrys this stuff anymore , and does anyone rember what i'm talking about with the pins , did anyone else make them too ?


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