Hi Brian,

re:
> Is there any chance of creating a Factory to find the Envelope of multiple copies of a
> curve (2D), or a solid (3D)?

Sorry no there isn't any functionality in MoI currently for calculating this.


> Iss Auto Placement and Auto orientation turned off in some situations?

It's turned on if the profile curve is outside of the rail curve's bounding box.

I'd like to change it at some point to be able to be manually controlled but there isn't an option for that currently.

- Michael