The model is designed to be printed upside down with support.
With the Prusament I used, the surface has a much nicer finish for this purpose when it is not lying directly on the print bed. But decide for yourself.
I adjusted the size so that it fits well on the
https://www.printables.com/model/58424-giant-lego-wreath-no-supports-needed.
The author marked this model as their own original creation.