The ability now exists to make objects for Second Life® in various mesh modeling tools like Sketchup, Sculptris, Blender, 3DsMax, or most any other program that can make mesh shapes, buildings or clothing.
This video will give you the basics of this method of making Second Life items using the simplest free 3D modeling tools for the true beginner to mesh modeling.
text, video courtesy: Larry Havenstein
Department of Communications
Kansas State University