Border Spline for 3ds Max
polycounter lvl 13
New Border Spline Primitive (free) for 3ds Max 2016 sp2+ available. Generates a spline along the border of all editable poly nodes assigned to it.
https://www.youtube.com/watch?v=bee8eTPBTDk
Enjoy.
https://www.youtube.com/watch?v=bee8eTPBTDkEnjoy.