There's always a theme for these "Sketchpads," so we'll call this one "Potpourri," because, really, there is no theme. Some of the ideas are cars, some are trucks, and some don't start with anything ...

"In the beginning, I figured three years tops. After all, I wasn't planning anything elaborate, and although my budget was small, I thought a little ingenuity and hard work would get it done. Twelve ...