zeitspur

will do this for the UGS plot

found this on you tube

from http://wiki.secondlife.com/wiki/Sculpted_Prims:_FAQ

One way is to create a 3D model in an external 3D software package, and then export a Sculpt Map for uploading to Second Life.

Members of the SL community have written several tutorials for Blender, an open-source 3D modeling platform. Qarl Linden has written an exporter for the Maya modeling program (code available here, installation instructions below). Exporters for 3D Studio Max and ZBrush will be available soon. There is also import/export for Wings3D. See Wings 3D, too.

Linden Lab has plans to provide a sculpt editor within the Second Life viewer. Check the Sculpted Prims: 3D Software Guide wiki page for more the latest developments; there’s an ongoing discussion Sculpted Prims:Talk page.

A second way is to calculate the texture directly using a programming language and the mathematics of the shape. For examples, see Rokuro or nand Nerd’s | Sculpt Texture Generator.