September 24th, 2011 WorkshopNovember 16, 2011Coloured glass frits are used to add colour to clear molten glassBy Minna Koistinen Previous Student making glass paperweight Next Minna and Andrea assist a student creating a glass ornament Related Posts Student making glass paperweight November 16, 2011 Waiting for glass to cool down November 16, 2011 Paddles and diamond shears on the marver November 17, 2011 Minna Koistinen aids student to apply colour to glass November 16, 2011
