saving a mesh in wpf

Jan 22 2015 10:47 AM

hello, In WPF i am trying to create a mesh of triangles and then save it as .stl file. currently i am able to create a mesh(collection of the triangles which are formed from 3d points)using Model3DGroup(),GeometryModel3D() and Point3DCollection() and display it using ModelVisual3D(). can any one tell me how do i save this as a mesh?
thank you