This is just spacer to use with Spiral Vase Rose (printables) , MCM Vase (makerworld) and 5cm Thorny Rose Stem (printables)
Spiral Vase Rose -→ https://www.printables.com/model/131488-spiral-vase-rose
5cm Thorny Rose Stem -→ https://www.printables.com/model/443828-5cm-thorny-rose-stem\
MCM Vase -→ https://makerworld.com/en/models/16357#profileId-15240