Model is solid, you have to set top layers and infill to zero. Printed with 3 perimetres at 0,22 mm layer height to be sturdy and great quality. Vase from PLA can hold small amount of water, but is not waterproof.
If you like my designs, you can support me here: https://revolut.me/koutnyjkb
Never resell this STL online! If you want a permission to have a commercial licence, please leave me a message.
Happy printing ;)