This is the Hearts Bloom Vase / Cup There are 2 sizes and 2 types - One for Vase Mode and one a regular print.

Printing:

• You can print it in vase mode but consider 2 walls, 0% infill and zero top layers.
• Try fuzzy skin for to get the look you see in the gradient model.
• No supports.
• Scale up/down as you wish.