(Sorry a couple of these exercises are a little dry... blame the obligatory feeling about posting them on my obsessive-compulsive tendencies.!)
The first image was drawn for fun during class, during a time where our teacher let us run free. It's supposed to be a hybrid of a catamaran (boat with two hulls) and a submarine, in which the submarine (part in the center) can be lowered into the water with the top part remaining afloat to pull it back up. Maybe for marine biologist experiments?
I may pursue this design further in terms of speed though, because this layout would probably mean less drag on the water overall. And it would probably HAVE to go fast because the surface area is too small to hold up that weight if it was going slow.
I didn't develop much in the way of technical details, and from an engineering standpoint it probably wouldn't hold up too well, but I was going for style and concept, so no biggie. Done in colored pencil and colored in Photoshop.
Anyway, the 2nd is some 2-minute bottles. Our teacher timed us to draw pop/water bottles around the room, and made it into a competition for us to see who could make the most design-ey bottle in that amount of time.
The one with the star ended up winning. I was pretty surprised!
The last two are just some homework, more turning shapes in space, this time with freehand ellipses. While it is all freehand, I used rough geometrical guides in the first, and none in the 2nd. Faster with none, that's for sure...