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Non-spherical particles of various shapes can be synthesized with the two-dimensional automated thin film stretching method. (A) Spherical microparticles can be stretched (B) 1.25x by 1.25x, (C) 1.25x by 1.5x, (D) 1.5x by 1.5 x, (E) 1.75x by 1.75x to create particles of various flattened oblate ellipsoidal shape. (F) Aspect ratio analysis of 1.5x by 1.5x stretched particles reveals that the aspect ratio of one is roughly maintained through the 2D stretching procedure.
