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The second generation mass deposition tester (MDT-II) was used to investigate the uniformity of simultaneous powder deposition in three parallel cylindrical containers. In this research, the effect of locations within the container and feed shoe speed on powder deposition were studied. The current results demonstrated that for the alumina powder used in this research (1) at 20 and 100 mm/s feed shoe speeds, the center area had the highest final mass values; (2) at 200 mm/s, the final mass value distribution was irregular and more complex; (3) the three feed shoe speeds led to no difference in filling uniformity; (4) the center and the right containers had similar final mass value distribution pattern.