September 26th, 2011 WorkshopNovember 17, 2011Gathering colour from the marverBy Minna Koistinen Previous Student heating glass at the glory hole Next Cutting a jack line Related Posts Minna Koistinen demonstrates the colour gathering process November 17, 2011 Minna and Andrea create a demonstration paperweight November 17, 2011 Cutting a jack line November 17, 2011 Cutting a jack line into hot glass November 17, 2011