What do you see below?

Plain black squares, right? So, if I add some lines to this drawing, what do you see?

NOW you see a woven pattern, and the black squares become background.

What do you see below?

Plain white squares? If I add some space to this drawing, what do you see?

Now you see a woven pattern, and the white squares become background.

THIS is the basis and foundation of my mock Celtic knot technique: where black lines define the shapes of a Celtic knot, white space defines the shapes of mock Celtic knots.

Do you see?