This vase is designed to hold water. Please see Jakub Kočí‘s article for details how to print: https://blog.prusa3d.com/watertight-3d-printing-pt1-vases-cups-and-other-open-models_48949/
No supports are needed.
I hope you like ❤❤ this model!
Happy Printing!! 🎉🎉
The author marked this model as their own original creation.