Acorn suggested using an art brush to recreate my celtic knot stereogram done many years ago.
I used a combination of art brush for the rounded parts and rectangles with repeating linear fills for the over and under parts.
The art brush for the rounded parts seems to create a smoother and more desirable transition that using a blend. I'll have to do a comparison. Generally it is not something you can see except when the blend is used for a stereogram.
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