Took the challenge of drawing the outlines overlapping, all by stroked paths with no fills. So now the stroke widths can be tweaked later on, if they are selected all at once by finding them (Ctrl+F) by attributes stroke:#ffffff and stroke:#000000.
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tile pattern 2 free icon was designed by Lazur URH for icons Png and presented to its users.
Lazur URH
10/21/2017