How's this for some scrap glass? This little plate is about 8" square and I made it by stacking squares and rectangles on a piece of clear glass. The important thing was to make sure that I had some consistency in the spacing and thickness so that when the glass melted that it would spread evenly.
You can see that I used some iridized pieces on top of some of the squares.
It will make a nice candy dish. This one is for a friend who did a favor for me.