Ask yourself these questions about your piece. Analyze and evaluate. The viewer doesn’t know what you meant to do. Only what you showed them." I like how #1 starts with line. Machess wants you to ask yourself,
Line
Do the elements in your piece flow through the rectangle?
Does your eye easily move from the main objects to the minor objects?
Is there a sense of rhythm to the elements?
Click on the link and keep reading his 10 Things.... Evaluate Your Painting