Here's the same path, but with the normals shown.
Converted by
Mathematica
November 7, 2001
![[Graphics:../Images/index_gr_17.gif]](../Images/index_gr_17.gif)
![[Graphics:../Images/index_gr_18.gif]](../Images/index_gr_18.gif)
![[Graphics:../Images/index_gr_19.gif]](../Images/index_gr_19.gif){kind=small}