Terrapavilion plugin on its 0.2 version is now available for downoad! clickHERE to get your own.
Remember that this one (like the others) need the .NET 2 framework which you can download HERE or typing .net 2 download on google.
Some tourbleshooting were found on "Tubi", notice that for this one to work properly you must bring your model in a proper scale, maybe check your document scale typing _DocumentPropriety and choose meters rather than millimeters or centimeters or kilometers or something else...
Have nice holydays!