This app allows designers to create 3D route representations in model space by simply drawing polylines. A rendered symbol will be added. It can be used for 2D drawings and 3D model investigations. 

It can be used for route planning in a larger building.

The app consists of one command ROUTE.

You may customize the following options.

1. units: mm  vs  inch
2. scale: size the symbol 
3. min dist: the symbol will not be drawn if the distance is less than the value
4. max dist: more symbols will be added if the distance is bigger than the value