Saw the pin earlier about cutting glass, but I'm sold using old bottles. If I can only find the pin again. make glass sets from old bottles, using a glass cutting technique with yarn, nail polish remover and a flame!
To cut glass bottles.Wrap string around area you want cut, five times. Hold together, slide off, soak in nail polish remover for five minutes. Put back on, light on fire over sink. Comes off in seconds.