September 26th, 2011 WorkshopNovember 17, 2011Final flash before the crack off benchBy Minna Koistinen Previous Cutting a jack line into hot glass Next Minna Koistinen spinning the pontil to elongate a vase Related Posts Minna Koistinen spinning the pontil to elongate a vase November 17, 2011 Participant heating glass in the glory hole November 17, 2011 Trailing glass onto a graphite slab November 17, 2011 Minna Koistinen working with hot glass on the Marver November 17, 2011