I was playing with the Celtic knot font, and came up with this:
I think it looks like the ubiquitous Ribbon; two Ribbons, in fact (the second one is upside down).
See it now??
I’m expanding my current DIY No-Bias Celtic Knots eBook. The revised edition will include additional Celtic knot sections to create knots like this. Please sign up for my mailing list (in the upper right corner of the page) for information on availability.