*LE SMITH ~ aqua carnival glass bowl with iridescent finish in the Quintec pattern. Manufacturer's anomalies: Some bubbles and straw marks typical of pressed glass mold production. Marked: with a S in a circle.
How to make a plaster mold; this mold will make a ceramic piece that can be used as a glass mold once it is bisque-fired. According to Gil Reynolds, bend glass INTO ceramics, as glass will shrink less than ceramics as it cools.