September 26th, 2011 WorkshopNovember 17, 2011Student heating glass in the glory holeBy Minna Koistinen Previous Shaping a glass paperweight Next Waiting for glass to cool down before cracking off and annealing Related Posts Minna Koistinen demonstrates the colour gathering process November 17, 2011 Gathering colour from the marver November 17, 2011 Minna detaching finished piece from the pontil rod November 17, 2011 Participant heating glass in the glory hole November 17, 2011
