Bullseye Glass Mold #8926, Small Dish 8.5"

The Small Dish 8.5 inch mold from Bullseye Glass (design #8926, item number 008926-MOLD-M-EACH) is a ceramic slumping form for shaping a pre-made glass sheet or fused blank into a shallow dish. The outer footprint is 8.5 inches by 8.5 inches, with a height of 1.3 inches (22 by 22 by 3 centimeters). These outer dimensions are provided for kiln fit planning; because the molds are handmade, actual size varies slightly, so measure your mold before cutting glass.

The mold is slipcast from a specially formulated clay body by Creative Ceramics in Europe and imported and sold by Bullseye Glass. The surface is exceptionally smooth, accepts kiln wash uniformly, and does not crack under repeated proper use. As a ceramic slumping form it is COE agnostic and reusable across many firings.

What does the Bullseye #8926 mold make?
It slumps a pre-cut glass sheet or fused blank into a shallow dish. Place the glass over the prepared form, fire slowly, and the glass softens and settles into the dish shape by gravity.

What size glass do I need for this mold?
The outer mold footprint is 8.5 inches by 8.5 inches. Because molds are handmade and vary slightly in size, measure your specific mold before cutting glass rather than relying solely on the listed dimension.

What COE glass works with this mold?
Any COE. Ceramic slumping forms are COE agnostic, so the same mold works with COE90, COE96, or other compatible fusible glass. Match your firing schedule to the glass you are using.

How do I prepare the mold before slumping?
Coat the forming surface with kiln wash or a boron nitride mold primer and let it dry completely before placing glass. This prevents the softened glass from sticking to the form.

Specifications

• SKU: 153265
• Manufacturer: Bullseye Glass (design #8926; item 008926-MOLD-M-EACH; store code BG8926)
• Makes: one shallow dish per firing
• Mold outer dimensions: 8.5 in L x 8.5 in W x 1.3 in H (22 x 22 x 3 cm)
• Note on dimensions: handmade; measure before cutting glass
• Material: ceramic slumping form, slipcast clay body, reusable
• Glass: any COE (COE agnostic)

Working Notes

These are guidelines, not guarantees. Every kiln fires a little differently, so test a small piece first and adjust the schedule for your glass and kiln.

• Coat the forming surface with kiln wash or a boron nitride mold primer such as ZYP Boron Nitride Mold Primer and let it dry completely before placing glass.
• Place the pre-cut glass sheet or fused blank over the prepared form. The glass softens and sags into the dish shape during firing.
• The mold is COE agnostic. Use a slumping schedule matched to your glass, adjusting the anneal soak temperature for your COE.
• Let the kiln cool fully before removing the finished piece. Re-coat the mold with kiln wash as needed between firings.

Bullseye Suggested Slumping Schedule

This is a suggested starting schedule based on slumping 6mm pieces in a Paragon GL24 kiln, not a guarantee. Every kiln fires differently and glass styles vary in viscosity. Visually confirm the slump during firing and adjust the schedule for your glass and kiln.

AFAP means as fast as possible. Segment 2 is the anneal soak at 900 F, suited to Bullseye COE90 glass. If using COE96 glass, adjust this temperature to about 950 F and follow a schedule suited to your specific glass. Segment 4 lets the kiln cool at its natural rate with the door closed.

Helpful downloads: Suggested Slumping Schedules from Bullseye Glass (PDF)

Description updated: July 6, 2026

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