Hi bemfarmer,
I saw you wrote a few scripts on spirals and I wonder if you've done one base on the old way of doing things (with a compass, way before computers). The advantage of this method is that being made of arcs, you can always replace an arc with a full circle and it's perfectly tangential with the next arc. If needed I can provide an example file explaining the method as best as I can.
Thanks,
Felix
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