Slumped Bottle Glass Dishes

Recycled Fused Bottle Glass Dishes

This photo appeared in a long ago blog post, and a lovely reader asked for a tutorial, so, at long last, here it is! These little dishes are made from float (clear), cobalt and forest green bottle glass. We’ll be doing some small dishes from bottle glass, additional shapes.

bottle glass dishes

More options are always better! Start with molds:

small fusing molds for bottle glass

We’re going to use three different kinds of molds and two different kinds of release, just for fun. Here we have (l to r) an unglazed bisque mold from my local ceramic supply store. Don’t overlook the ceramics store as a supplier, they have lots of good glass applicable stuff.

The little black mold is a small glazed dish from Ikea. Ikea also has pretty good glass related stuff.

The last mold, the one on the right is a mold made from Ceramaguard ceiling tile. This is a soft sheet material that can be sawn up and made into whatever kind of mold you need. It’s available by the case from speciality builder suppliers, or by the square foot from

I’ll use standard kiln wash on the unglazed bisque and the Ceramaguard mold:

small fusing molds with kilnwash

The glazed dish will need a spray on release:

Slide Boron Mold Release

Following directions, coat the glazed mold. Notice that the spray release makes a fine, thin coat.

glazed mold with spray release

Now, let’s move on to the glass part. I’m using a triangular vodka bottle.

blue vodka bottle

I’ve cut the top and bottom off with my tile saw, and then cut down each corner to give me 3 flat blue glass pieces.

sides of bottles

If you want to use a round bottle, but aren’t comfortable working with rounded glass, you can flatten the bottles pieces ahead of time.

Next up, trace the two smaller molds and cut the glass to fit them.

trace ikea mold

Ikea mold with glass

tracing the bisque mold

bisque mold with glass

Since the ceramaguard mold is considerably larger than our glass, we’re going to measure and cut the glass to fit, rather than tracing:

measuring glass width

Then cut the glass into a square:

square up the bottle glass

Then use the angled side of the triangle to cut the corners evenly:

cut corners off of glass

ceramaguard mold with bottle glass

Now, as we are slumping this glass into molds, the top temperature isn’t going to get hot enough to round the edges. Take a quick minute to grind the edges on all three of the pieces of glass before they go into the kiln. This can be done with a grinder, or with a diamond file.

Now, into the kiln:

bottle glass dishes pre-slump

Fire to a slump firing using the standard slump schedule, or whatever firing schedule works best for you.

bottle glass dishes after slumping