Here's a very crude method of iso waffle. I'd look into a VB script to sort out the errors on the external intersections and would also script to split and remove notch facings. You will also have to find a way to flatten the twisted iso profile.
http://groups.google.com/group/grasshopper3d/web/waffle_iso.jpg?hl=en http://groups.google.com/group/grasshopper3d/web/waffle_iso.gh?hl=en http://groups.google.com/group/grasshopper3d/web/waffle_iso.3dm?hl=en
