Watch this video to learn how Sign Ink increased capabilities and profit potential with SEI Laser. Sign Ink is meeting demand for unique, creative and highly technical products with SEI’s Mercury plotter and FLEXI BLU high-speed laser system. The Mercury and FLEXI BLU provides Sign Ink with a fully automated laser production system. Mercury delivers a large cutting area and FLEXI BLU offers precision engraving, etching and details.