Rörstrand Blue Fire, Sauce boat with stand. Sauce boat, length cm. height cm. Stand for saucer, length cm. Fine Condition. Blå Eld (Blue Fire) designed by Hertha Bengtsson manufactured by Rorstrand from 1950 to 1971. It has a great retro shape and decorated with a brilliant herringbone in a gorgeous blue high gloss glaze. Marked to the base with 'Rörstrand Sweden.