Designing while painting is one of the wonderful advantages of using digital techniques. You need only a vague idea to begin. The painting quickly takes on a life of its own during the process and the end result can be quite different from the original inspiration. These are my favorite kinds of paintings.
Post-it Note pad, 3" × 3" (8cm × 8cm)
8-inch (20cm) 45°/90° plastic triangle with inking edge
Blue line pencil
Computer with Adobe Photoshop
White vinyl eraser
Sketch loosely on a blue Post-it Note. Work out the composition of three giant robots ...