The Heart Flake Casting Mold from Creative Paradise. The mold itself is 5.25 inches long by 5 inches wide with a depth of 1.25 inches, giving the cavity enough room to hold a substantial charge of glass for a decorative Heart Flake.
Like all ceramic casting molds, this one is COE agnostic. Load the cavity with frit, small billets, or stacked sheet scrap and fuse to the wreath shape. The manufacturer lists a fill weight of about 58 grams of glass. As a kiln casting mold it is reusable across many firings when prepped and cared for properly.
What does the Heart Flake mold make?
It casts one glass snowflake made of hearts measuring 4 inches, suited to holiday ornaments, seasonal decorations, and decorative accents.
What COE glass can I use in this mold?
Any COE. Ceramic casting 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.
How much glass do I need?
Creative Paradise lists about 58 grams for the cavity. Weigh your glass and test a first run when the result matters.
How do I prep the mold before casting?
Coat the cavity with a kiln shelf 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 adding glass. Re coat as needed between firings.
Specifications
SKU: 183495
Manufacturer: Creative Paradise (CPI.LF278)
Mold Size: 5.25 L x 5 W x 1.25 T
Cavity Size: 4 Dia.
Fill Weight: 58 grams
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 casting schedule suited to your glass and kiln.
- Prime the cavity with a boron nitride mold primer such as ZYP Boron Nitride Mold Primer, or a kiln wash, and let it dry completely before adding glass so the glass does not stick.
- Fill with frit, small billets, or stacked sheet scrap. For a tack fired surface, the manufacturer suggests powder and fine frit filled uniformly to about a quarter inch.
- The mold is COE agnostic. Use a full fuse schedule matched to your glass, adjusting the final anneal soak for your COE.
- Let the kiln cool fully before removing the cast 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.
Full Fuse (COE96):
| Segment |
Rate |
Temp (F) |
Hold |
| 1 |
300 |
1150 |
45 |
| 2 |
150 |
1300 |
20 |
| 3 |
400 |
1460 |
10 |
| 4 |
9999 |
950* |
60 |
Tack Fire (COE96): for a tack fired surface, fill uniformly to about a quarter inch with powder and fine frit.
| Segment |
Rate |
Temp (F) |
Hold |
| 1 |
300 |
1150 |
45 |
| 2 |
150 |
1300 |
20 |
| 3 |
400 |
1410 |
10 |
| 4 |
9999 |
950* |
60 |
*Segment 4 is the anneal soak at 950 F for COE96. If using COE90, adjust this temperature to 900 F.
Helpful downloads: Wreath Ornaments Tutorial (PDF) · Fill Weights for Casting Molds (PDF) · Casting Mold Tips (PDF)
Description updated: July 6, 2026
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