Hi-Low Bowl Slumping Mold

The Hi-Low Bowl Slumping Mold from Creative Paradise slumps a pre-made glass sheet or fused blank into a tiered bowl form in a single firing. The mold measures 10.5 inches in diameter and stands 4 inches tall, giving the finished bowl its layered, multi-level profile.

Like all ceramic slumping molds, this one is COE agnostic. Place a prepared glass blank on or in the mold, fire to temperature, and gravity does the shaping as the glass softens. The mold is reusable across many firings when prepped and cared for properly.

What does the Hi-Low Bowl Slumping Mold make?
It slumps a pre-made glass blank into a Hi-Low bowl with a tiered, multi-level profile, about 10.5 inches in diameter, in a single firing.

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 glass blank do I start with?
Start with a pre-made glass sheet or a fused blank sized to fit the form. The manufacturer's suggested schedule is for a double layer of COE96 glass, so adjust thickness and temperature to suit your specific glass.

How do I prep the mold before slumping?
Coat the mold surface with a kiln mold primer such as a boron nitride 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: 176973
• Manufacturer: Creative Paradise (CPI.GM263)
• Makes: 1 Hi-Low bowl per firing
• Finished piece size: about 10.5 inches diameter
• Mold size: 10.5 inches diameter x 4 inches tall
• 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 your glass.
• Start with a pre-made glass sheet or fused blank sized to fit the Hi-Low form. The manufacturer's schedule is based on a double layer of COE96 glass.
• The mold is COE agnostic. Use a slumping schedule matched to your glass, adjusting the final anneal soak for your COE.
• Let the kiln cool fully before removing the slumped bowl. 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, double layer):

*Segment 3 is the anneal soak at 950 F for COE96. If using COE90, adjust this temperature to 900 F.

Helpful downloads: HiLo Light Leak Bowl Tutorial (PDF)

Description updated: July 6, 2026

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