The paper presents key techniques in the reverse design of the planor grading sifter. 论述了平板式分级筛反求设计中的关键技术。
The Mimics software was used to help horizontally reverse the normal side of the midfacial skeleton as the injured side, and merge these two parts into an ideal midfacial skeleton. 应用反求工程得到患者的头颅数据，并通过快速原型技术制作个体化理想的头颅模型。
