September 26th, 2011 WorkshopNovember 17, 2011Minna Koistinen demonstrates the colour gathering processBy Minna Koistinen Previous Minna Koistinen shaping and blowing molten glass Next Shaping and blowing glass simultaneously Related Posts Student heating glass in the glory hole November 17, 2011 Minna and Andrea create a demonstration paperweight November 17, 2011 Glass ornament demonstration November 17, 2011 Working the hot glass November 17, 2011
