A video showing how to do different thickness in a single part of file. The process start with a wireframe and surface, then divided by few portion. The important idea is, to create few geometrical sets so that it is divided into different portions. Then, In the part design workbench, thickness command is use to do thick to each of the splitted surfaces in the respective geometrical sets.
Thanks to Mr Tasbirul Islam from Bangladesh and Prof Baharudin from MALAYSIA to include me in the conference paper for relating to this method. You can read it here. Thank you. Wasalam. (Update 21-12-2016)