Fused Float Glass Bowl Tutorial

Recycled glass squares bowl

Recycled Glass Bowl with Raised Squares – Tutorial

Materials

1/4” window glass, larger than the mold

Square bowl mold

glass cutter

running pliers

marker

ruler

kiln

 

We are going to start with cutting and assembling our project. Measure your square bowl mold, or simply flip it upside down and mark it on the window glass.

Fused Window glass bowl

Cut the glass just inside the marks, this will be the main part of the bowl.

Cutting the glass for the bowl

Using the remaining glass, cut 8 1” squares. These will be the visual interest part of the bowl.

Recycled Glass Bowl Parts

Clean all of the glass pieces and place them on the kiln shelf. Place the large square first, then one small square on each corner, about 1/2” from each edge. If you are a very precise person, use your ruler to place them evenly from each corner.

fusing recycled glass bowl

Place the remaining 4 1” squares in the center of the bowl, about 1/2” apart.

 

Fire to a full fuse. The raised corner pieces will fuse fully to the base, but won’t completely flatten out.

Squares Bowl after firing

For the slumping firing, we will first need to cold work the edges using a diamond file or sanding pad, or a grinder if it’s available.

Diamond Sanding Pads

The edges of fused recycled glass tend to wrinkle and pucker during the slumping cycle. By cold working, we expose a new glass surface that will fire smoothly and save us a lot of time in cold working later. I’m using a diamond sanding pad here so my finished edge will be rounded. A set of diamond pads is available from Fusion Headquarters for a very reasonable price ($25USD at the time of this writing). The diamond pads should be used wet to avoid dust and undue wear on your pad.

Coldworking with a diamond pad

Note that the entire edge is now frosty, this is the newly exposed glass that will fire polish clear and smooth during the slumping cycle.

sanded edge of fused recycled glass

After cold working, clean the glass very well and place on the mold with the squares down.

Slumping recycled window glass

 

Fire using the slumping schedule.

slumped recycled glass bowl

 

Very nice! You can use this layering technique again and again as you become more proficient in cutting complex shapes.

 

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