September 26th, 2011 WorkshopNovember 17, 2011Student heating glass at the glory holeBy Minna Koistinen Previous Minna Koistinen and Andrea Doggett help student finish a paperweight Next Gathering colour from the marver Related Posts Glass ornament demonstration November 17, 2011 Gathering colour from the marver November 17, 2011 Preparing to gather molten glass November 17, 2011 Minna Koistinen papering blown glass November 17, 2011