Can You Melt Obsidian and Cast a Sword?

Over the past few months I’ve been working on this video as a follow-up to user comments on a previous video on if it’s possible to cast obsidian. This proved to be a major challenge that took six attempts, broke multiple crucibles and two different kilns. But I didn’t want to stop until I finally […]

Verzelini Goblet | Techniques of Renaissance Venetian-Style Glassworking

The cup begins with a rather large gather of clear glass on the end of a blowpipe. The glass is marvered back and forth on the cold, metal surface. Air is blown into the blowpipe gradually, and the tip is marvered to make it pointed and to cool the glass. The rubber blow hose is […]

What Tools Do You Need? | Glassblowing

Hi, my name’s Ed Donovan, I’m here at DC GlassWorks. You can find us at We are a public access glass blowing facility, we also do metal and metal casting and welding. We are primarily a teaching facility, we want to share with people the magic of glass blowing. It’s an amazing substance. And […]