As previously reported, Itoo Software has been working on Railclone, a parametric modeling plugin that lets you to build complex structures for architectural visualization and civil engineering, such as fences, railings, stairs, guardrails, etc. Itoo Software has announced that Railclone will be released on Oct. 17 in two flavors: RailClone Lite, free for personal and commercial use, and RailClone Pro, with the full set of features and an extended library. More at Itoo Software.