This cartoon dogs drawing lesson is a little different than some of the other tutorials you may have done on this site because instead of starting off with simple shapes were going to start off by drawing forms. Step 1 - The Head and Body Forms There are two lines in this step. The curved line at the top that looks a little bit like an unfolded paperclip is the head and the outline of the back. The other line is the chest and midsection. Take a quick look at the finished drawing and see how the curve of.