Nature is an instant source of inspiration. Reminds me how SCAMPER can be a fun tool for brainstorming.
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S -
Substitute/Simplify
Substitute part of your product/process for something else.
C - Combine
Combine two or more parts of your problem to achieve a different product/process or to enhance synergy.
A - Adapt
Which parts of the product/process could be adapted to remove the problem?
M - Modify/distort
Change part or all of the current situation, or to distort it in an unusual way to come up with new ways of working.
P - Put to other Purposes
Reframe the current solution/ product/process to other purposes, and think of what to be reused from somewhere else in order to solve existing own problem.
E - Eliminate
Remove various parts of the product/process/problem and consider how it will now unction in a new situation.
R - Reverse/Rearrange
Re-work the problem/product/process in reverse or in a different order or angle or perspectives.