September 26th, 2011 WorkshopNovember 17, 2011Waiting for glass to cool down before cracking off and annealingBy Minna Koistinen Previous Student heating glass in the glory hole Next Playing with Fire participant heats up glass Related Posts Glass ornament demonstration November 17, 2011 Minna Koistinen and Andrea Doggett help student finish a paperweight November 17, 2011 Minna Koistinen and Andrea Doggett doing a demo of a paperweight November 17, 2011 Minna detaching finished piece from the pontil rod November 17, 2011