September 24th, 2011 WorkshopNovember 17, 2011Paddles and diamond shears on the marverBy Minna Koistinen Previous Trailing glass to make a glass ornament Next Trailing glass onto a graphite slab Related Posts Coloured glass frits are used to add colour to clear molten glass November 16, 2011 Taking the glass paperweight off of the pontil rod at the crack-off bench November 16, 2011 MInna Koistinen instructs student in glass shaping November 16, 2011 Shaping glass with pincetti November 16, 2011