Fella, attached is a skippy file of another stair option that would be great to see as part of your suite. Its a typical simple stair tread / double stringer for use in industrial situations and many basic applications.
Critical options would be:
Size of stringer
stringer offset from outside of tread.
Other than that it options would be the same as the other types.
Thumbs up!! Go Queensland!!! 
stair type.skp (1.75 MB)
