glass staircase

[bomberff75]

I have to design this kind of scale

with inventor 2010.
If for example I create a helical for the balustrades, it happens to me that they go in twist and after I can not keep straight the glass steps. How can I do that?
Thank you.

ps are not very experienced

 

[Tarkus]

You may then switch from the appropriate top section on the forum and present yourself....
Then you could explain your problem a little better, so maybe you can help. . .