Case Report
Copyright ©The Author(s) 2017.
World J Gastroenterol. Nov 7, 2017; 23(41): 7489-7494
Published online Nov 7, 2017. doi: 10.3748/wjg.v23.i41.7489
Figure 2
Figure 2 3D printing technique. A: Schematic diagram of the 3D printing technique; B: 3D-printed models: Column, semi-column and tortuous semi-column, bar = 1 cm.