November 13th, 2011 WorkshopNovember 15, 2011Inside the glory holeBy Minna Koistinen Previous Furnace with molten glass inside at 2025°F (blowing temperature) Next Minna Koistinen leading a workshop at Playing With Fire Related Posts A paperweight ready to go to the annealer November 15, 2011 After creating a core for the paperweight, more glass is added and shaped November 15, 2011 Shaping a paperweight with wooden paddle November 15, 2011 Minna Koistinen leading a workshop at Playing With Fire November 15, 2011