Spiral Tray Slumping Mold

The Spiral Tray Slumping Mold from Creative Paradise slumps a pre-fused or pre-cut glass blank into a shallow spiral tray shape in a single firing. The mold footprint is 10.25 inches by 6.5 inches with a 12 inch diagonal, and the inner working area measures 8 inches by 4.75 inches and sits 0.75 inches deep. The compact size keeps the amount of glass needed low, which makes it a practical choice for beginners and experienced fusers alike.

A prepared glass blank is placed over the primed mold and fired so gravity draws the glass down into the spiral form. Because the mold is ceramic, it is COE agnostic and reusable across many firings with proper prep and care.

What does the Spiral Tray Slumping Mold make?
It slumps a glass blank into a shallow spiral tray. The finished inner area is 8 inches by 4.75 inches and 0.75 inches deep, suited to use as a decorative dish or display piece.

What COE glass can I use with this mold?
Any COE. Ceramic slumping molds are COE agnostic, so the same mold works with COE96, COE90, or other fusible glass. Match your slump schedule to the glass you are using.

What size blank do I need for this mold?
Size your blank to cover the mold's inner working area. The inner cavity is 8 inches by 4.75 inches, and the overall mold footprint is 10.25 inches by 6.5 inches. A blank that fully covers the working area will drape cleanly into the spiral form.

How do I prep the mold before slumping?
Coat the mold surface with a kiln wash or boron nitride spray such as ZYP, and let it dry completely before placing your glass blank so the glass does not stick.

Specifications

• SKU: 15925
• Manufacturer: Creative Paradise (CPI.GM115)
• Makes: 1 spiral tray
• Mold size: 10.25 inches L x 6.5 inches W x 1.5 inches T
• Diagonal: 12 inches
• Inner dimensions: 8 inches L x 4.75 inches W x 0.75 inches deep
• Material: ceramic slumping mold, reusable
• Glass: any COE (COE agnostic)

Working Notes

These are guidelines, not guarantees. Every kiln fires a little differently, so test a small run first when the result matters and follow a slump schedule suited to your glass and kiln.

• Prime the mold surface with a boron nitride mold primer such as ZYP Boron Nitride Mold Primer, or a kiln wash such as Hotline Primo Primer, and let it dry completely before placing your glass blank so the glass does not stick.
• Place a pre-fused or pre-cut glass blank over the prepared mold, sized to cover the inner working area. The glass will soften and drape into the spiral form during firing.
• The mold is COE agnostic. Use a slump schedule matched to your glass, adjusting the final anneal soak for your COE.
• Let the kiln cool fully before removing the slumped piece. Re-coat the mold with primer as needed between firings.
• The Slide Hi Temp brand separator is not recommended with these molds.

Creative Paradise Suggested Firing Schedule

This is a suggested COE96 starting schedule, not a guarantee. Every kiln fires differently. Test a small run and adjust the schedule for your glass and kiln.

Slump (COE96):

*Segment 9 is the anneal soak at 950 F for COE96. If using COE90, adjust this temperature to 900 F.

Description updated: July 6, 2026

Spot an error or have feedback on this description? Report it here.