The [[wp:Pythagoras_tree_%28fractal%29|Pythagoras tree]] is a fractal tree constructed from squares.  It is named after Pythagoras because each triple of touching squares encloses a right triangle, in a configuration traditionally used to represent the Pythagorean theorem. 
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;Task
Construct a Pythagoras tree of order 7 using only vectors (no rotation or trigonometric functions).
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;Related tasks
* [[Fractal_tree|Fractal tree]]
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