Thanks TIG! that's a great tool that i overlooked. it's a lot better than doing follow me on every curve.

Thanks TIG, truly marvelous tool!!
one question, though - is there a function to generate 3d geometries on the diagonals? the same effect of "extrude edges by rail by face" but for diagonals.
right now i can get the diagonal lines using "extrude---to lattice", but i'll have to "follow me" each line with a profile.
thanks a lot!