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An optical illusion afghan or wall-hanging.

The name comes from a quote by Albert Einstein:

The mere formulation of a problem is far more often essential than its solution, which may be merely a matter of mathematical or experimental skill. To raise new questions, new possibilities, to regard old problems from a new angle requires creative imagination and marks real advances in science

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A New Angle

The choice of colours is important for the effect to work. One colour must look as though it is a ‘shadow’ of the other.

The third yarn can be any light, bright colour that looks as though it could have light shining through it.

Any type of yarn can be used.

OPTICAL ILLUSION AFGHANS

Cubism
Fibo-optic
Making Waves
Rule of Three
Tower Blocks

OPTICAL ILLUSION CUSHIONS

Cubism

MITRED SQUARES AFGHANS

Place Order
Order of Magnitude

The squares are knitted individually and stitched together.

The coloured centre of each piece is worked as a mitred square. The two sides are worked separately but are linked together as they are knitted.

The version in the photos is only about one metre square. If you want to make it bigger, the pattern gives instructions for changing the overall size in a variety of ways. It also gives several variations of the design