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 Minna and Andrea assist a student to make a glass ornament November 17, 2011 Minna Koistinen aids student to apply colour to glass November 16, 2011 A glass paperweight on the pontil rod November 16, 2011 Trailing glass to make a glass ornament November 17, 2011
