Triangle Slumping Mold

The Triangle Slumping Mold from Creative Paradise is a ceramic slumping form that shapes a pre-made glass blank into a triangle dish. Place a kiln-washed blank over the mold and fire so gravity draws the glass down into the triangle profile. The inner cavity measures 8 inches long by 5 inches wide and 0.75 inches deep, an approachable size for those newer to slumping and an efficient use of glass at any experience level.

The overall mold footprint is 10.25 inches by 7.75 inches, with a total height of 2 inches. Like all ceramic kiln molds, this one is COE agnostic, so it works with COE96, COE90, or other fusible glass. Prep the mold surface with a boron nitride primer or kiln wash before each firing and use a slump schedule matched to your glass. The mold is reusable across many firings when prepped and cared for properly.

What does the Triangle Slumping Mold make?
It slumps a pre-made glass blank into a triangle dish. The inner area is 8 inches long by 5 inches wide and 0.75 inches deep, suited to serving dishes, decorative bowls, or display pieces.

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 firing schedule to the glass you are using.

What size blank do I need?
Cut or fuse a blank sized to cover the 8 inch by 5 inch inner triangle area, with enough margin to allow for slump and edge settling. Test a run to dial in the fit for your specific glass and blank thickness.

How do I prep the mold before slumping?
Coat the mold surface with a boron nitride primer such as a spray (for example ZYP) or a kiln wash such as Hotline Primo Primer, and let it dry completely before placing the glass. Re-coat as needed between firings.

Specifications

• SKU: 176608
• Manufacturer: Creative Paradise (CPI.GM268)
• Makes: 1 triangle dish
• Finished piece (inner) size: 8 inches L x 5 inches W x 0.75 inches deep
• Mold size: 10.25 inches L x 7.75 inches W x 2 inches T
• Material: ceramic kiln 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 slumping 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, and let it dry completely before placing the glass so the piece does not stick.
• Place a pre-fused or cut sheet blank over the mold and fire using a slump schedule. Gravity draws the glass down into the triangle form as it softens.
• 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 2 is the anneal soak at 950 F for COE96. If using COE90, adjust this temperature to 900 F.

Helpful downloads: Luminous Christmas Tree Tutorial (PDF)

Description updated: July 6, 2026

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