Here’s a quick color study made with a big brush on small paper. The result is
almost entirely shapes with just about no lines at all.
Here’s another shape painting, by Jacob Lawrence. Both works begin with
plans, by the way.
Now for a line - dominant scene by Lyonel Feininger. Here, even the shapes
are made by surrounding them with lines.
Finally, here’s a mix of lines and shapes from George Post, who made his elegant
compositions from careful pencil drawings.
When you are interested in combining lines and shapes you can begin by taking
note of what those around you do on purpose. It is just as useful for realism and
Find an image to paint that gets you thinking about what is made of shapes and
what is made of lines. Remember that you are in charge.