varray_vertex[12] = origin[0] + frame->down * up[0] - frame->right * left[0];
varray_vertex[13] = origin[1] + frame->down * up[1] - frame->right * left[1];
varray_vertex[14] = origin[2] + frame->down * up[2] - frame->right * left[2];
varray_vertex[12] = origin[0] + frame->down * up[0] - frame->right * left[0];
varray_vertex[13] = origin[1] + frame->down * up[1] - frame->right * left[1];
varray_vertex[14] = origin[2] + frame->down * up[2] - frame->right * left[2];