I fused my first Blade Dish about four years ago and I have been making them occasionally since. They are a combination of float glass (picture glass) which gives the glass a greenish tinge and red enamel powder sandwiched between the glass. Oh, and don't forget the razor blade. Because steel blades are so thin they don't cause fractures when fused.
My first dishes were always shallow, because I worried that a deep slump would cause the blade to fracture the glass. But as you can see from the deeper dish (above) the metal is flexible enough to bend and slump with the glass.
* "Steam Punk is a sub-genre of fantasy and fiction that came into prominence in the 1980s and early 1990s. The term denotes works set in an era or world where steam power is still widely used—usually the 19th century, and often Victorian era —but with prominent elements of either science fiction or fantasy." Wikipedia.