4" Diamond Mold
Photo: Hobbyglass (Hegan Glassworks)

Molds & Stamps

4" Diamond Mold

by Hegan Glassworks (Hobbyglass) · Ukiah, California, USA

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A 4" bronze diamond mold that makes lens-like windows. The 16-point version gives bigger windows but is harder to release; the 20-point is easier for beginners.

Furnace / hot shop

Points
16 or 20
Height
4"
Top
About 2" across
Material
Silicon bronze, investment cast

Where to buy

Links last checked September 30, 2026.

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