Back in the early 2000's Lee Wakefield in the UK build a coroplast shell around a Trice S that was one of the nicest designs around up to that point. He started developing a kit that was intended to go around a less expensive trike, but abandoned the effort. There was an extensive set of pictures around that effort, but it seems to have disappeared.
Here is the original thread from BROL and most of the pictures that went with the post
