Need suggestion in making this family in revit

[jaiganesh.venkatesan]

Suggest which template will suit for this and give me a idea to work on the in revit family. 

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[ToanDN]

Generic model adaptive.

[barthbradley]

Kind of hard to advise you properly without knowing what is it, how it is going to be used, what method are you using to model it, etc.  

I mean, I could suggest modeling it directly in the Project using a spiral Stair Type that only has one stringer and no treads or risers.  Catch my drift? 

[barthbradley]

Revit Tips - Spiral & Helix Pattern - YouTube

[constantin.stroescu · Accepted solution]

a simple way could be by using Mass ...as follows:

[jaiganesh.venkatesan]

Thankyou, its a kind of theming str.. behind that I going to make a lighting layer as same as the theming in  revit family. Problem is the theming is in CAD format. The str.. which i going to make is to be in rfa. format and to should be adjustable in future.