There is an example of how you could do this here .还有就是你如何能做到这一点的例子在这里 。Quote:引用:
a little educational application demonstrating how various 3D shapes (called polyhedra) can be assembled by folding a flat template一个小小的教育应用程序,演示如何通过折叠平面模板来组装各种3D形状(称为多面体)