Copper Mesh Method

Using a copper mesh screening between two layers of glass and then fuse will produce a nice tiny bubble between each of the openings in the screen.

Little minute bubbles will appear very exact throughout the screen without bursting through the top layer.

Copper can turn a variety of colors when fired.

The colors can range from blue, red, brown and sometimes black, depending on the copper, temperature and/or air exposure during firing.

This copper turned a gorgeous red with a perfect teeny bubble in each individual opening.

Purchase the Wireform Copperform Mesh, 100% copper, 1/4" pattern.

It comes in a single sheet that is 16” by 20”.

This product is made by Amaco and can be gotten from their website or from Dick Blick supplies.

Just do a search for Wireform on the site.

Be sure to cut the mesh a little smaller than the pieces of glass.

This will ensure the mesh is totally encased in the glass or you'll have some sharp little wire edges sticking out.

copper mesh, wireform, Amaco


  • Base Glass
  • Clear Glass
  • Wireform Copperform Mesh
  • Glass Cutter
  • Cutting Oil
  • Glass Cleaner
  • Lint Free Towel
  • Scissors
  • Prepared Kiln Shelf
  • Kiln
  • Safety Glasses

  • copper mesh, wireform, Amaco


    1. Cut base piece of glass to desired size using glass cutter and cutting oil. The base color can be any shade desired. Top glass should be clear a just a tad larger than bottom glass. This will allow the top piece to fuse down and encase the bottom piece of glass.

    2. Using scissors cut copper mesh screening just slightly smaller than base piece of glass.

    3. Clean glass using the glass cleaner and dry with a lint free towel.

    4. Grasp the base piece by the edge and place on prepared kiln shelf.

    5. Carefully place the Wireform mesh on the base piece and cap with clear glass. Make sure wire mesh is not sticking out any of the edges of the glass.

    6. Close the lid or door of the kiln. Start the kiln.

    7. Fire piece to a full fuse. If observing piece inside the kiln, be sure to wear safety glasses with IR and UV shield protection.

    8. When the piece has reached a full fuse, turn off and disconnect the kiln. If the kiln is fabricated with thick fire bricks, you can allow it to cool down by itself. If however it is built with ceramic fiber, the oven must be kept on and monitored so that it doesn’t cool off any more than roughly 300 degrees Fahrenheit an hour.

    9. As soon as the temperature drops underneath 100 degrees Fahrenheit, the kiln can be opened.

    It is fun trapping tiny bubbles between the copper mesh.

    These attractive pieces are hot sellers at craft shows.

    They can be made into simple cabochons by adding a bail to the back.

    This is a very rewarding and simple procedure to accomplish.

    It is amazing and incredible to see how nicely those minuscule bubbles line themselves up in all the holes.

    copper mesh, wireform, Amaco

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