Background: Recently. three-dimensional (3D) models have been used more frequently than the traditional two-dimensional (2D) models as an intraoperative guide to ease sculpture of costal cartilages in total auricular aesthetic reconstruction in cases of microtia. Usually. 3D imaging techniques are used to create compact ear models. https://www.zodiacintl.com/product-category/reinwassersysteme-wasserschlauch/