Bình hoa đơn giản (Simple Vase)

This model can be used as a great test for you 3d printer like If you find layer shifts you should play around with slicer settings to find a solution. Good or dialed in 3d printer should not have any noticeable layer shifts. 

Spiral vase printing configs are not recommended as they aren't strong enough to even handle being removed from the print bed. Spiral vase printing configs also have a higher likelihood of failing during printing.  

Extrusion style 3d printers aren't recommended for anything that will come in contact with water as mold can and will build up between layer lines. This is why unless you have a resin (sla) printer you should only use fake plants or plants that require very little water.