Understanding Glass Art: Blown, Fused, and Stained Glass

"Glass art" covers several genuinely different crafts that share a material but almost nothing else about how they're practiced — it's worth understanding the difference before assuming any two glass artists work the same way.

Blown glass (hot glass)

Molten glass, kept workable at roughly 2,000°F in a furnace, is gathered on a blowpipe and shaped by blowing, gravity, and hand tools while it's hot. This is what most people picture when they think of glassblowing, and it requires a specialized hot shop — a furnace, glory hole (reheating chamber), and annealer (a slow-cooling oven that relieves internal stress in the finished piece) — that most beginners access through a studio rather than owning themselves.

Fused and kiln-formed glass

Cut or layered pieces of glass are arranged cold, then fired in a kiln (typically 1,300–1,500°F) until they melt together ("fuse") or slump into a mold. Kiln-formed work is generally more accessible to beginners than hot-shop blowing, since the glass isn't handled while molten.

Stained glass

Colored glass is cut to pattern, then joined using either lead came (traditional window technique) or copper foil and solder (the Tiffany technique, more common for smaller decorative pieces). No furnace or kiln heat is required for assembly, though a soldering iron is.