Surface with only one side!
https://en.wikipedia.org/wiki/M%C3%B6bius_strip
Challange is the print orientation and the needed support to minimize the negative impact of the touch points of the support.
My best experience (not as nice as I wish) is printing upright with the flat surface on bottom and “support everywhere”. (see screenshot of Prusaslicer)
Doe anybody has hints to do it better?
The author marked this model as their own original creation.