gistfile1.cs

                        int index = 0;
                        for (int face_i = 0; face_i < VertIndicesForFaces.Count; face_i ++) {
                                var face = VertIndicesForFaces [face_i];
                                for (int vi = 0; vi < face.Length; vi ++) {
                                        var v3d = new Vertex3d (vertices [face [vi]], Vector4f.Zero, c);
                                        if (has_texcoords)
                                                v3d.TexCoords = uv_coords [TexIndices [face_i][vi]];
                                        e.Vertices.Add (v3d);
                                }

                                // add indices
                                for (int i = 0; i < face.Length - 2; i ++) {
                                        e.Indices.Add (index);
                                        e.Indices.Add (index + i + 1);
                                        e.Indices.Add (index + i + 2);
                                }

                                index += face.Length;
                        }