there was a freebie in freestuff a while back, by one of the regulars, just don't remember the name..Lannie's 3d (I think) used to have one, back when they were on line (fantastic site for models of antique stuff, Bryce mats, primitives..in fact it was so good it got creamed by auto-downloaders..a sad day) sorry I couldn't be more help.

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)