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I think the Fibonacci spiral on its own is not that great looking. The curve looks better when constructed without the grid of the golden section rectangle. Just my personal opinion of course.

The...

In all the time we have been going round and round you could have created the world's most exquisite Finonacci curve Rik. :rolleyes:

Since my vector line fibonacci spiral stereogram was so well received I decided to do another, this one using a blend of two curves.

I created a continuous straight line tracing over Acorn's line segments, converted the control points to Curve, then clicked Make Curve (but first as suggested, added a tiny extra length at the start...

I wonder if this is the basis for Xara's smart shape spiral?

Piece of cake.

Each section is a 1/4 circle.

https://en.wikipedia.org/wiki/Fibonacci_number