Is there something similar in another field? See also Swiping.
A proprietary diverge-converge methodology that relies heavily on metaphor and analogy, developed by Bill Gordon and George Prince, and marketed by Synectics Limited. It is implementation-focused and makes frequent use of Excursion Techniques. More info: . http://www.synecticsworld.com/
Here you look at the problem through the eyes of someone who does a completely different job, such as a nurse, an astronaut or a ballet dancer. (Unless you too happen to be a nurse, an astronaut, or a ballet dancer...)
This simply means taking a walk and using whatever you see to trigger new associations. Certain environments can be particularly rich sources of ideas: high streets, parks, zoos, industrial areas, and so on.