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40 Inventive Principles
Asymmetry

a) Replace the symmetrical form of an object with one that is asymmetrical.

b) If the object is already asymmetrical, increase its degree of asymmetry.
 
EXAMPLE:
  1. An asymmetric tyre with a stronger outside wall can better withstand an impact when hitting a curb.
  2. Semiconductors: a diode allows a current to flow in only one direction.
  3. If components are only slightly asymmetrical, they can easily be mixed up during assembly. To avoid this, the asymmetric design should be clearly obvious to avoid assembly errors. Details