Colour de Verre Moulds are the Simple Way to Cast Glass Merge the age-old art of pate de verre glass casting with modern technology and contemporary design Create pieces that are beautiful enough to stand alone or to incorporate into larger projects. The open, hollow design promotes even heating and cooling. Moulds can be filled with glass frit, powder, or sheet glass. Reusable mould casts 4 fish from 5.7cm - 7.6cm in one firing, for the ultimate in convenience. With each firing, this moulds creates four, assorted tropical fish. Create a whole lagoon by varying frit colours. The fill weights are 32 to 36 grammes for the large fish and 12 to 15 for the smaller fish. The mould measures 20cm - 0.6cm x 10cm - 1.9cm x 2.5cm . See size perspective of mould with quarter and dime images shown. We suggest a cooler than usual firing temperature of about 1290-1310ºF (700-710ºC) for COE 96 and 25ºF (10ºC) hotter for COE 90. Click on "View User Manual" to download a free, helpful technique sheet. Images courtesy of Colour de Verre.