Print in vase mode or spiralize outer contour. Or, uncheck spiralize outer contour, set top layers set to 0. Bottom layers set to 3 or more. Set walls to 2 or more for a more sturdy vase. Can be scaled to fit your needs. Photo shows 166mm tall, 91mm wide. It has not been tested for being water proof. If you make it, please post a photo. I'd like to see your print! Enjoy...