Some doodles and things that I've done in the past month or so.  Did a little search for industrial design tutorials and found this site: http://www.idsketching.com/ and watched this video: http://www.idsketching.com/video/video-tutorial-how-to-sketch-with-contour-lines/ which I found helpful.  I don't know how people draw smooth lines with slow movements, mine always get shaky, somewhat frustrating!

(I don't actually think hippo's are evil..)