September 26th, 2011 WorkshopNovember 17, 2011Shaping and blowing glass simultaneouslyBy Minna Koistinen Previous Minna Koistinen demonstrates the colour gathering process Next Minna Koistinen papering blown glass Related Posts Preparing to gather molten glass November 17, 2011 Gathering colour from the marver November 17, 2011 Student heating glass in the glory hole November 17, 2011 Minna detaching finished piece from the pontil rod November 17, 2011