September 26th, 2011 WorkshopNovember 17, 2011Minna Koistinen and Andrea Doggett help student finish a paperweightBy Minna Koistinen Previous Playing with Fire participant heats up glass Next Student heating glass at the glory hole Related Posts Student heating glass in the glory hole November 17, 2011 Minna Koistinen working with hot glass on the Marver November 17, 2011 Minna and Andrea create a demonstration paperweight November 17, 2011 Minna Koistinen spinning the pontil to elongate a vase November 17, 2011