September 26th, 2011 WorkshopNovember 17, 2011Cutting a jack lineBy Minna Koistinen Previous Gathering colour from the marver Next Minna Koistinen and Andrea Doggett doing a demo of a paperweight Related Posts Minna Koistinen spinning the pontil to elongate a vase November 17, 2011 Shaping and blowing glass simultaneously November 17, 2011 Minna Koistinen shaping and blowing molten glass November 17, 2011 Glass ornament demonstration November 17, 2011