miauu's Open Edges Extrude v. 1.5

Open Edges Extrude is script for 3ds Max that allows you to extrude selected open edges in a way that you can't do by default in 3ds Max.The distance, on which the edges are extruded can be controlled by a spiner.

With version 1.5 you can extrude the open edges along arbitrary spline

This script is a part of miauu's Script Pack vol. 2.
You can find more information here:

Extrude