May i share this tutorial with you? You are welcome to give me commentsHIGHLIGHTS: 2D to 3D approach; surface-modeling skills; draft analysis; surface to solid approach; design with a Master Model
http://myweb.polyu.edu.hk/~mmdsham/Ex2.htm
http://myweb.polyu.edu.hk/~mmdsham/Ex2.htm