This is A Bambu Lab Print for a design by mgg942:

This knot was created in Moment of Inspiration (MoI) from a script written by user bemfarmer based on work by Aaron Trautwein.

I did little more than experiment with the options and then swept a circle over the curve provided by Brian's script.

I was able to Print this quite cleanly with no supports on a P1P in Bambu PLA Basic with just a minor brim on the Textured Plate, just needed some minor sanding on the overhang walls.

It has no practical purpose but it looks cool!