For more advice, see these concept art tips from a Marvel artist and these pro tips for designing ships and vehicles for ...

Apply random lines, scribbles and splashes. And aim to move your whole arm, perhaps even your whole body, to help you loosen up. Water-reactive crayons or pens, or the best watercolour pencils are ...

There are strong arguments for practising scribble art before you learn to draw, and creative scribble exercises can also ...