Remixed richalt2's tulip to give one that would drop in and not wobble to my in car vase.
Vase available here :- https://www.thingiverse.com/thing:4920345
No supports and simple print.
I would use adhesion as only a small area in touch with the bed during the print.
tulip_for_car_vase.stl | 1009.6KB |