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This study analyzes the feasibility of a new method for monitoring the three-dimensional (3D) shape of an asymmetrically magnetized high-temperature toroidal plasma. The proposed method utilizes multiple pinholes on a single disk. Devoid of any assumptions on the plasma shape, 3D tomography images of T e and n e can be successfully created using mathematical methods based on an expansion of the Fourier–Bessel series and a regression analysis on the dataset of the multiple soft X-ray filaments in numerical experiments. [ABSTRACT FROM AUTHOR]