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We demonstrate the formation of a macroscopically oriented inverse bicontinuous cubic (Q_II) lipid phase from a sponge (L₃) phase by controlled hydration during shear flow. The L₃ phase was the monoolein/butanediol/water system; the addition of water reduces the butanediol concentration, inducing the formation of a diamond (Q_II^D) cubic phase, which is oriented by the shear flow. The phenomenon was reproduced in both capillary and Couette geometries, indicating that this represents a robust general route for the production of highly aligned bulk Q_II samples, with applications in nanomaterial templating and protein research.